thresh

Từ điển American Heritage Dictionary 4th

thresh (thrĕsh)v. threshed, thresh·ing, thresh·esv. tr.
1.
a. To beat the stems and husks of (grain or cereal plants) with a machine or flail to separate the grains or seeds from the straw.
b. To separate (grains or seeds) in this manner.
2. To discuss or examine (an issue, for example) repeatedly.
3. To beat severely; thrash.v. intr.
1. To use a machine or flail to separate grain or seeds from straw.
2. To thrash about; toss. [Middle English thresshen, from Old English therscan. See terə-¹ in Indo-European Roots.]

• Từ đồng nghĩa / Synonyms:
  thrash, lam, flail, convulse, thresh about, thrash about, slash, toss, jactitate