different between gearwheel vs cog

English

Noun

gearwheel (plural gearwheels)

1. Alternative spelling of gear wheel

References

• “gearwheel”, in Lexico, Dictionary.com; Oxford University Press, 2019–present.

English

Pronunciation

• (Received Pronunciation) enPR: k?g, IPA^(key): /k??/
• (General American) enPR: k?g, kôg, IPA^(key): /k??/, /k??/
• Rhymes: -??, -???

Etymology 1

From Middle English cogge, from Old Norse [Term?] (compare Norwegian kugg (“cog”), Swedish kugg, kugge (“cog, tooth”)), from Proto-Germanic *kugg? (compare Dutch kogge (“cogboat”), German Kock), from Proto-Indo-European *gug? (“hump, ball”) (compare Lithuanian gugà (“pommel, hump, hill”)), from *g?w- (“to bend, arch”).

The meaning of “cog” in carpentry derives from association with a tooth on a cogwheel.

Noun

cog (plural cogs)

1. A tooth on a gear.
2. A gear; a cogwheel.
3. An unimportant individual in a greater system.
   • 1976, Norman Denny (English translation), Victor Hugo (original French), Les Misérables

     ‘There are twenty-five of us, but they don’t reckon I’m worth anything. I’m just a cog in the machine.’

   • 1988, David Mamet, Speed-the-Plow

     Your boss tells you “take initiative,” you best guess right—and you do, then you get no credit. Day-in, … smiling, smiling, just a cog.

4. (carpentry) A projection or tenon at the end of a beam designed to fit into a matching opening of another piece of wood to form a joint.
5. (mining) One of the rough pillars of stone or coal left to support the roof of a mine.

Derived terms

• cog joint

Translations

Verb

cog (third-person singular simple present cogs, present participle cogging, simple past and past participle cogged)

1. To furnish with a cog or cogs.

Etymology 2

From Middle English cogge, from Middle Dutch kogge, cogghe (modern kogge), from Proto-Germanic *kugg? (compare German Kock (“cogboat”), Norwegian kugg (“cog (gear tooth)”)), from Proto-Indo-European *gug? (“hump, ball”) (compare Lithuanian gugà (“pommel, hump, hill”)), from *g?w- (“to bend, arch”). See etymology 1 above.

Noun

cog (plural cogs)

1. (historical) A ship of burden, or war with a round, bulky hull.

Translations

Etymology 3

Uncertain origin. Both verb and noun appear first in 1532.

Noun

cog (plural cogs)

1. A trick or deception; a falsehood.

   (Can we find and add a quotation of William Watson to this entry?)

Translations

Verb

cog (third-person singular simple present cogs, present participle cogging, simple past and past participle cogged)

1. To load (a die) so that it can be used to cheat.
2. To cheat; to play or gamble fraudulently.
   • 1726, Jonathan Swift (debated), Molly Mog

     For guineas in other men's breeches, / Your gamesters will palm and will cog.

3. To seduce, or draw away, by adulation, artifice, or falsehood; to wheedle; to cozen; to cheat.
4. To obtrude or thrust in, by falsehood or deception; to palm off.
   • October 3, 1718, John Dennis, letter to S. T. , Esq; On the Deceitfulness of Rumour

     Fustian tragedies […] have […] been cogg'd upon the town for Master-pieces.

Translations

Etymology 4

From Old English cogge.

Alternative forms

• cogue

Noun

cog (plural cogs)

1. A small fishing boat.
2. Alternative form of cogue (“wooden vessel for milk”)

Anagrams

• CGO, OGC

Irish

Etymology

Back-formation from cogadh (“war”).

Verb

cog (present analytic cogann, future analytic cogfaidh, verbal noun cogadh, past participle cogtha)

1. (rare or archaic) to war, wage war

Conjugation

Mutation

Further reading

• “cog” in Foclóir Gae?ilge agus Béarla, Irish Texts Society, 1st ed., 1904, by Patrick S. Dinneen, page 158.

Middle English

Etymology

From Old French cogue, itself from Middle Dutch kogge.

Noun

cog

1. a ship of burden, or war with a round, bulky hull

   • As the Kynge was in his cog and lay in his caban, he felle in a slumberyng […].

Further reading

• Oxford English Dictionary, 1884–1928, and First Supplement, 1933.

Scottish Gaelic

Etymology

Back-formation from cogadh (“war, fighting”).

Verb

cog (past chog, future cogaidh, verbal noun cogadh, past participle cogte)

1. fight

Welsh

Pronunciation

• IPA^(key): /ko??/

Etymology 1

From Middle Welsh cog, from Proto-Brythonic *kok?, ultimately imitative, similar to Old High German k? (“crow, jackdaw”), Middle Low German kâ (“crow, jackdaw”).

Noun

cog f (plural cogau)

1. cuckoo

Usage notes

• Cog is usually found preceded by the definite article, y gog.

Synonyms

• (cuckoo): cwcw

Etymology 2

Borrowed through Vulgar Latin from Latin coquus

Noun

cog m (plural cogau or cygod)

1. cook

   Synonym: cogydd

Mutation

Further reading

• R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present) , “cog”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies