cog
|cog|
B2
🇺🇸
/kɑːɡ/
🇬🇧
/kɒɡ/
gear tooth
Etymology
Etymology Information
'cog' originates from Middle English, specifically the word 'cogge', where 'cogge' meant 'a tooth on a wheel'.
Historical Evolution
'cogge' transformed into the modern English word 'cog'.
Meaning Changes
Initially, it meant 'a tooth on a wheel', and this meaning has largely remained the same in modern usage.
Meanings by Part of Speech
Noun 1
a tooth on the rim of a wheel or gear that engages with a corresponding tooth on another wheel or gear to transmit motion.
The cog in the machine was broken, causing the entire system to halt.
Synonyms
Idioms
Last updated: 2025/01/11 11:42