The Oxford Thesaurus An A-Z Dictionary of Synonyms - lathern.

1) suds, froth, foam: He spread lather on his face and began to shave. 2) sweat; dither, fuss, pother, flutter, Colloq tizzy, state, flap: He got into a real lather when he missed the train. --v. 3) soap (up) ; foam, froth: The barber lathered my chin thoroughly. 4) thrash, beat, belabour, maul, drub, flog, whack, pummel, buffet, whip, flail, lash: If he dared to swear, his father would lather him.