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Definition cog

Etymology 1

From Middle English cogge, from Old Norse [Term?] (compare Norwegian kugg (“cog”), Swedish kugg, kugge (“cog, tooth”)), from Proto-Germanic *kuggō (compare Dutch kogge (“cogboat”), German Kock), from Proto-Indo-European *gugā (“hump, ball”) (compare Lithuanian gugà (“pommel, hump, hill”)), from *gēw- (“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.
  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.
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 *kuggō (compare German Kock (“cogboat”), Norwegian kugg (“cog (gear tooth)”)), from Proto-Indo-European *gugā (“hump, ball”) (compare Lithuanian gugà (“pommel, hump, hill”)), from *gēw- (“to bend, arch”). See etymology 1 above.

Noun

cog (plural cogs)

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

Etymology 3

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

Noun

cog (plural cogs)

  1. A trick or deception; a falsehood.
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.
  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.

Etymology 4

From Old English cogge.

Noun

cog (plural cogs)

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

Results 100 Words with the letters COG

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10 letter words with the letters COG 

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