Multiple choice

Directions: Choose the one that is most nearly the same in meaning to the keyword.

Cog

  1. Hindrance

  2. Tooth of a wheel

  3. Factory worker

  4. Mechanics

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A cog is a wheel or bar with a series of projections on its edge that engage with other cogs to transfer motion. The tooth of a wheel is the literal definition of a cog.