Definitions

1. noun

A machine used for cutting or reaping crops, especially grain, especially one with a rotating blade.

“The farmer used a thresher to harvest the wheat.”

2. verb

To cut or reap (crops) using a thresher.

“The workers will thresher the wheat in the field tomorrow.”

3. noun

A person or animal that cuts or reaps crops, especially grain, using a thresher.

“The thresher worked hard to finish the harvest before the rain.”