Definitions

1. noun

A person who cultivates land for another person, especially in return for rent or a share of the crops.

“The farmer hired a cotter to help him with the harvest.”

2. noun

A device or peg used to secure something, especially a rope or a bar.

“The cotter pin held the wheel in place.”

3. verb

To secure or fasten something with a cotter pin.

“The mechanic had to cotter the wheel before driving.”