- (UK) enPR: lă.th'ə, lä.th'ə, IPA(key): /ˈlæ.ðə(ɹ)/, /ˈlɑːðə(ɹ)/
- (US) IPA(key): /ˈlæðɚ/
Audio (US) (file)
- Rhymes: -æðə(r)
From Middle English lather, from Old English lēaþor (“a kind of niter used for soap, soda”), from Proto-Germanic *lauþrą (“that which is used for washing, soap”), from Proto-Indo-European *lowh₃-tro- (“that which is used for washing”), from Proto-Indo-European *lawe-, *lewh₃-, *lowh₃- (“to wash, bathe”). Cognate with Swedish lödder (“lather, foam, froth, soap”), Icelandic löður (“foam, froth, a kind of niter used for soap”), Old Irish lóathar (“wash-basin”), Ancient Greek λουτρόν (loutrón, “a bath, wash-room”), Latin lavō (“wash”), Albanian laj (“I wash”), Ancient Greek λούω (loúō). More at lye.
- The foam made by rapidly stirring soap and water.
- Foam from profuse sweating, as of a horse.
- A state of agitation.
- (transitive) To cover with lather.
- (transitive) To beat or whip.
- (intransitive) To form lather or froth, as a horse does when profusely sweating.