different between sheaf vs array

English

Etymology

From Middle English scheef, from Old English s??af, from Proto-Germanic *skauba- (“sheaf”). Akin to West Frisian skeaf (“sheaf”), Dutch schoof (“sheaf”), German Schaub, Old Norse skauf (“a fox's tail”). Compare further Gothic ???????????????????? (skuft, “hair of the head”), German Schopf (“tuft”).

Pronunciation

• enPR: sh?f, IPA^(key): /?i?f/
• Rhymes: -i?f

Noun

sheaf (plural sheaves or sheafs)

1. A quantity of the stalks and ears of wheat, rye, or other grain, bound together; a bundle of grain or straw.

   Synonym: reap

   • 1593, William Shakespeare, Titus Andronicus, Act V, Scene III, line 70:

     O, let me teach you how to knit again / This scattered corn into one mutual sheaf, / These broken limbs again into one body.

   • c. 1697, John Dryden, “Georgic I”, in The Works of Virgil:

     E’en while the reaper fills his greedy hands, / And binds the golden sheaves in brittle bands

2. Any collection of things bound together.

   Synonym: bundle
3. A bundle of arrows sufficient to fill a quiver, or the allowance of each archer.
4. A quantity of arrows, usually twenty-four.
   • 1786, Francis Grose, A Treatise on Ancient Armour and Weapons, page 34:

     Arrows were anciently made of reeds, afterwards of cornel wood, and occasionally of every species of wood: but according to Roger Ascham, ash was best; arrows were reckoned by sheaves, a sheaf consisted of twenty-four arrows.

5. (mechanical) A sheave.
6. (mathematics) An abstract construct in topology that associates data to the open sets of a topological space, together with well-defined restrictions from larger to smaller open sets, subject to the condition that compatible data on overlapping open sets corresponds, via the restrictions, to a unique datum on the union of the open sets.

Derived terms

• indsheaf

Translations

Verb

sheaf (third-person singular simple present sheafs, present participle sheafing, simple past and past participle sheafed)

1. (transitive) To gather and bind into a sheaf; to make into sheaves

2. (intransitive) To collect and bind cut grain, or the like; to make sheaves.
   • 1599, William Shakespeare, As You Like It, Act III, Scene II, line 107:

     They that reap must sheaf and bind; Then to cart with Rosalind.

Anagrams

• SHAEF, Shefa

English

Etymology

From Middle English arrayen, from Anglo-Norman arraier (compare Old French arraier, areer (“to put in order”)), from Medieval Latin arr?d? (“to put in order, arrange, array”), from *r?dum (“preparation, order”), from Frankish *reida (“preparation, order”) or Gothic ???????????????????????????? (garaiþs, “ready, prepared”), from Proto-Germanic *raidaz, *raidiz (“ready”). Doublet of ready.

Pronunciation

• IPA^(key): /???e?/
• (US) IPA^(key): /???e?/, /?æ.????/ (UK)
• Rhymes: -e?

Noun

array (countable and uncountable, plural arrays)

1. Clothing and ornamentation.
2. A collection laid out to be viewed in full.
3. An orderly series, arrangement or sequence.
   • 1856-1858, William H. Prescott, History of the Reign of Philip II

     But the chivalry of France was represented by as gallant an array of nobles and cavaliers as ever fought under the banner of the lilies

4. Order; a regular and imposing arrangement; disposition in regular lines; hence, order of battle.

   drawn up in battle array

   • wedged together in the closest array

5. A large collection.
   • 1814, Lord Byron, The Corsair

     their long array of sapphire and of gold

   We offer a dazzling array of choices.
6. (mathematics) Common name for matrix.
7. (programming) Any of various data structures designed to hold multiple elements of the same type; especially, a data structure that holds these elements in adjacent memory locations so that they may be retrieved using numeric indices.
8. (law) A ranking or setting forth in order, by the proper officer, of a jury as impanelled in a cause; the panel itself; or the whole body of jurors summoned to attend the court.
9. (military) A militia.
10. A group of hedgehogs.
11. A microarray.

Usage notes

• (any of various data structures): The exact usage of the term array, and of related terms, generally depends on the programming language. For example, many languages distinguish a fairly low-level "array" construct from a higher-level "list" or "vector" construct. Some languages distinguish between an "array" and a variety of "associative array"; others have only the latter concept, calling it an "array".

Antonyms

• (orderly series): disarray

Hyponyms

Related terms

Translations

References

See also

• (any of various data structures): ones-based indexing, zero-based indexing

Verb

array (third-person singular simple present arrays, present participle arraying, simple past and past participle arrayed)

1. To clothe and ornament; to adorn or attire.
2. To lay out in an orderly arrangement; to deploy or marshal.
3. (law) To set in order, as a jury, for the trial of a cause; that is, to call them one at a time.

Synonyms

• (to clothe and ornament): don, dress, put on; see also Thesaurus:clothe or Thesaurus:decorate

Translations

Portuguese

Etymology

From English array.

Noun

array m (plural arrays)

1. (programming) array (any of various data structures)

   Synonym: vetor