lather

(noun) the froth produced by soaps or detergents. Synonyms: soapsuds, suds.

(noun) agitation resulting from active worry. Synonyms: fret, stew, sweat, swither. Examples: "Don't get in a stew." "He's in a sweat about exams."

(noun) a workman who puts up laths.

(noun) the foam resulting from excessive sweating (as on a horse).

(verb) beat severely with a whip or rod. Synonyms: flog, welt, whip, lash, slash, strap, trounce. Examples: "The teacher often flogged the students." "The children were severely trounced."

(verb) form a lather. Examples: "The shaving cream lathered."

(verb) exude sweat or lather. Examples: "This unfit horse lathers easily."

(verb) rub soap all over, usually with the purpose of cleaning. Synonyms: soap.