n. 1. Foam or froth made by soap moistened with water.
2. Foam from profuse sweating, as of a horse.
v. t. 1. To spread over with lather; as, to lather the face.
v. i. 1. To form lather, or a froth like lather; to accumulate foam from profuse sweating, as a horse.
v. t. 1. To beat severely with a thong, strap, or the like; to flog.
2. lather - agitation resulting from active worry; "don't get in a stew"; "he's in a sweat about exams"
Verb 1. lather - cover with soap; "lather your body when you shower"
2. lather - beat severely with a whip or rod; "The teacher often flogged the students"; "The children were severely trounced"
3. lather - form a lather; "The shaving cream lathered"