"threshers" in the noun sense
1. thresher, thrasher, threshing machine
a farm machine for separating seeds or grain from the husks and straw
2. thresher, thrasher, thresher shark, fox shark, Alopius vulpinus
large pelagic shark of warm seas with a whiplike tail used to round up small fish on which to feed
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License