Definition of: lather

(lath′ər) noun
1. Foam or froth of soapsuds.
2. Foam of profuse sweating, as of a horse.
—in a lather Colloq. In a state of intense excitement or agitation.
—v.t.
1. To cover with lather.
2. Colloq. To flog; thrash.
—v.i.
3. To become covered with lather.
4. To form lather. [OE lēathor washing soda, soap. Akin to LAVE.]
—lath′er·er noun
—lath′·er·y adjective