threshˈer noun

1. A person who threshes
2. A flail
3. A threshing-machine or a beating part of it
4. (also threshˈer-shark) a large, long-tailed shark of the genus Alopias, especially Alopias vulpinus

threshˈing noun and adjective

thresher whale noun

A grampus

threshing floor noun

A surface on which grain is threshed

threshing machine or threshing mill noun

One for threshing corn, etc