I. ˈthrash, -raa(ə)sh, -raish, -resh verb
( -ed/-ing/-es )
Etymology: Middle English thresshen, from Old English threscan, therscan; akin to Old High German dreskan to thresh, Old Norse thriskja, Gothic thriskan to thresh, Latin terere to rub — more at throw
transitive verb
1.
a. : to beat out grain or seed from (as wheat stalks) by treading, rubbing, striking with a flail, or by a threshing machine
b. : to beat off (as kernels of grain)
2. : to go over (as a problem) again and again — often used with over
threshing over the systems of the past — John Dewey
continued to thresh the matter over in his mind — T.B.Costain
3. : to strike repeatedly : thrash
the paddles … threshing the black water — F. Tennyson Jesse
intransitive verb
1. : to thresh grain : operate a flail or threshing machine
2. of grain : to undergo the threshing process
3. : to strike with or as if with a flail or whip
4. : to toss about — compare thrash
Synonyms: see beat
II. noun
( -es )
1. : the act of threshing grain
2. : thrash
III. ˈthresh noun
( -es )
Etymology: alteration of resh (II)
Scotland : rush I