cog
🇺🇸
/kɑːɡ/
🇬🇧
/kɒɡ/
noun
R
A part of a wheel shaped like a tooth that helps wheels turn together.
The cog fit perfectly into the machine, making it run smoothly.
歯車は機械に完璧にはまり、スムーズに動かした。
R
A wheel with teeth that mesh with other wheel teeth, helping turn or move something.
Each cog in the clock worked harmoniously, keeping the time accurate.
時計の各歯車は調和して動き、時間を正確に保った。
translation
歯車の歯, 歯車
語形変化
Plural
cogs