2. (n.) Foam from profuse sweating, as of a horse.
3. (n.) To spread over with lather; as, to lather the face.
4. (v. i.) To form lather, or a froth like lather; to accumulate foam from profuse sweating, as a horse.
5. (v. t.) To beat severely with a thong, strap, or the like; to flog.