lather

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A foam formed by soap or detergent agitated in water, as in washing or shaving.
2. n. Froth formed by profuse sweating, as on a horse.
3. n. Informal A condition of anxious or heated discomposure; agitation: The students were in a lather over the proposed restrictions.
4. v. To spread with or as if with lather.
5. v. Informal To give a beating to; whip.
6. v. To produce lather; foam.
7. v. To become coated with lather.

Century Dictionary and Cyclopedia

1. n. Foam, froth, or suds made from soap moistened with water, as by a brush for shaving.
2. n. Foam or froth formed in profuse sweating, as of a horse.
3. To form a foam or suds, as soap and water; become froth or frothy matter.
4. To spread lather on or over; apply lather to, as the face in shaving.
5. To flog; leather.
6. n. A work-man who puts up laths for plaster-work.
7. n. A dialectal variant of ladder.

Wiktionary

1. n. The foam made by rapidly stirring soap and water.
2. n. A state of agitation.
3. v. To cover with lather.
4. v. To beat or to whip

GNU Webster's 1913

1. n. Foam or froth made by soap moistened with water.
2. n. Foam from profuse sweating, as of a horse.
3. v. To spread over with lather.
4. v. To form lather, or a froth like lather; to accumulate foam from profuse sweating, as a horse.
5. v. To beat severely with a thong, strap, or the like; to flog.

WordNet 3.0

1. v. rub soap all over, usually with the purpose of cleaning
2. n. a workman who puts up laths
3. n. the foam resulting from excessive sweating (as on a horse)
4. n. the froth produced by soaps or detergents
5. v. form a lather
6. v. exude sweat or lather
7. v. beat severely with a whip or rod
8. n. agitation resulting from active worry