different between spur vs duplex

English

Pronunciation

• (Received Pronunciation) IPA^(key): /sp??/
• (General American) IPA^(key): /sp?/
• Rhymes: -??(?)

Etymology 1

From Middle English spure, spore, from Old English spura, spora, from Proto-Germanic *spurô, from Proto-Indo-European *sper-, *sperw- (“to twitch, push, fidget, be quick”).

Noun

spur (plural spurs)

1. A rigid implement, often roughly y-shaped, that is fixed to one's heel for the purpose of prodding a horse. Often worn by, and emblematic of, the cowboy or the knight.

   Meronyms: rowel, prick

   • 1786, Francis Grose, A Treatise on Ancient Armour and Weapons, page 22:

     Two sorts of spurs seem to have been in use about the time of the Conquest, one called a pryck, having only a single point like the gaffle of a fighting cock; the other consisting of a number of points of considerable length, radiating from and revolving on a center, thence named the rouelle or wheel spur.

2. A jab given with the spurs.
   • 1832, The Atheneum (volume 31, page 493)

     I had hardly said the word, when Kit jumped into the saddle, and gave his horse a whip and a spur — and off it cantered, as if it were in as great a hurry to be married as Kit himself.

3. (figuratively) Anything that inspires or motivates, as a spur does a horse.
4. An appendage or spike pointing rearward, near the foot, for instance that of a rooster.
5. Any protruding part connected at one end, for instance a highway that extends from another highway into a city.
6. Roots, tree roots.
7. (geology) A mountain that shoots from another mountain or range and extends some distance in a lateral direction, or at right angles.
8. A spiked iron worn by seamen upon the bottom of the boot, to enable them to stand upon the carcass of a whale to strip off the blubber.
9. (carpentry) A brace strengthening a post and some connected part, such as a rafter or crossbeam; a strut.
10. (architecture) The short wooden buttress of a post.
11. (architecture) A projection from the round base of a column, occupying the angle of a square plinth upon which the base rests, or bringing the bottom bed of the base to a nearly square form. It is generally carved in leafage.
12. Ergotized rye or other grain.
13. A wall in a fortification that crosses a part of a rampart and joins to an inner wall.
14. (shipbuilding) A piece of timber fixed on the bilgeways before launching, having the upper ends bolted to the vessel's side.
15. (shipbuilding) A curved piece of timber serving as a half to support the deck where a whole beam cannot be placed.
16. (mining) A branch of a vein.
17. (rail transport) A very short branch line of a railway line.
18. (transport) A short branch road of a motorway, freeway or major road.
19. (botany) A short thin side shoot from a branch, especially one that bears fruit or, in conifers, the shoots that bear the leaves.

Derived terms

• spur gear
• spur-leather
• spur-of-the-moment
• spur road

Translations

Verb

spur (third-person singular simple present spurs, present participle spurring, simple past and past participle spurred)

1. (transitive) To prod (especially a horse) on the side or flank, with the intent to urge motion or haste, to gig.
   • 1592, William Shakespeare, Richard III, Act V, Scene III, line 339:

     Draw, archers, draw your arrows to the head! Spur your proud horses hard, and ride in blood; Amaze the welkin with your broken staves!

2. (transitive) To urge or encourage to action, or to a more vigorous pursuit of an object

   Synonyms: incite, stimulate, instigate, impel, drive; see also Thesaurus:incite

   • 1599, William Shakespeare, Twelfth Night, Act III, Scene IV, line 4.

     My desire / (More sharp than filed steel) did spur me forth...
3. (transitive) To put spurs on.

4. (intransitive) To press forward; to travel in great haste.

Derived terms

• spur on

Translations

Etymology 2

See sparrow.

Noun

spur (plural spurs)

1. A tern.

Etymology 3

Short for spurious.

Noun

spur (plural spurs)

1. (electronics) A spurious tone, one that interferes with a signal in a circuit and is often masked underneath that signal.

Etymology 4

Noun

spur (plural spurs)

1. The track of an animal, such as an otter; a spoor.

Translations

Etymology 5

Verb

spur (third-person singular simple present spurs, present participle spurring, simple past and past participle spurred)

1. (obsolete, dialectal) Alternative form of speer.
   • 1638, Thomas Heywood, "The Rape of Lucrece. A true Roman Tragedy", in The Dramatic Works of Thomas Heywood, Vol. V, John Pearson, 1874, pages 230 & 231.

   • The Pall Mall Magazine, Vol. 33, 1904, page 435.

Anagrams

• Prus, purs, surp

Middle English

Noun

spur

1. Alternative form of spore

Scots

Alternative forms

• sparra
• spug
• spuggie
• speug

Noun

spur (plural spurs)

1. sparrow

References

• “spur” in the Dictionary of the Scots Language, Edinburgh: Scottish Language Dictionaries.

English

Etymology

Borrowed from Latin duplex (“double, two-fold”), from duo (“two”) + plico (“fold together”); compare ????? (plék?, “twist, braid”).

Pronunciation

• (US) enPR: do?o'pl?ks, IPA^(key): /?dupl?ks/

Adjective

duplex (not comparable)

1. Double, made up of two parts.
2. (telecommunications) Bidirectional (in two directions).

   duplex telegraphy

3. (soil science) Having horizons with contrasting textures.
   • 1977, Australian Journal of Botany (volume 25, page 462)

     Soils are duplex, sandy and solodic. The dominant trees are the stringybark eucalypts […]

Antonyms

• (bidirectional): simplex (unidirectional)

Hyponyms

(bidirectional):

• full duplex
• half-duplex
• semiduplex

Derived terms

Related terms

Translations

Noun

duplex (plural duplexes)

1. (US) A house made up of two dwelling units.
2. (philately) A cancellation combining a numerical cancellation with a second mark showing time, date, and place of posting.
3. (juggling) A throwing motion where two balls are thrown with one hand at the same time.
4. (biochemistry) A double-stranded polynucleotide.
5. (geology) A system of multiple thrust faults bounded above and below by a roof thrust and floor thrust.
   • 1993, David J. Lidke, Jack Burton Epstein, Chester A. Wallace, U.S. Geological Survey Bulletin (page 16)

     In contrast, the folds in the overlying lithotectonic unit 4 are larger and are cut by a series of faults in a duplex.

   • 1995, Robert D. Hatcher, Structural Geology: Principles, Concepts, and Problems (page 211)

     It has been noted, using a combination of surface geologic and seismic reflection data, that a duplex, although formed in response to movement of a thrust sheet, frequently arches the thrust sheet as the duplex is built by duplication of rocks beneath it […]

Related terms

Translations

See also

Verb

duplex (third-person singular simple present duplexes, present participle duplexing, simple past and past participle duplexed)

1. To make duplex.
2. To make into a duplex.
3. (juggling) To make a series of duplex throws.

Related terms

French

Etymology

Borrowed from Latin duplex, see above.

Pronunciation

• IPA^(key): /dy.pl?ks/

Noun

duplex m (plural duplex)

1. a link between two points, such as a cable or a wire
2. duplex, maisonette (dwelling)

Derived terms

• duplexer

Further reading

• “duplex” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Italian

Etymology

Borrowed from Latin duplex.

Noun

duplex m (invariable)

1. party line

Latin

Etymology

From Proto-Italic *dwipleks, formed from duo (“two”) and plec-, from the root of plic? (“fold”); cf. also plect?, plexum.

Pronunciation

• (Classical) IPA^(key): /?du.pleks/, [?d??p???ks?] or IPA^(key): /?dup.leks/, [?d??p???ks?]
• (Ecclesiastical) IPA^(key): /?du.pleks/, [?d?u?pl?ks] or IPA^(key): /?dup.leks/, [?d?upl?ks]

Adjective

duplex (genitive duplicis, adverb dupliciter); third-declension one-termination adjective

1. twofold, double
2. bipartite, cloven
3. ambiguous

Declension

Third-declension one-termination adjective.

• Sg.Abl. sometimes duplice.

Descendants

• English: duplex
• French: duplex
• Galician: dobre (possibly)
• Italian: duplice, duplex
• Spanish: doble (possibly), dúplex

References

• duplex in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• duplex in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• duplex in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• duplex in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette
• Carl Meissner; Henry William Auden (1894) Latin Phrase-Book?^[1], London: Macmillan and Co.

Romanian

Etymology

From French duplex

Noun

duplex n (plural duplexuri)

1. duplex

Declension