A foam formed by soap or detergent agitated in water, as in washing or shaving.
Froth formed by profuse sweating, as on a horse.
Informal A condition of anxious or heated discomposure; agitation: The students were in a lather over the proposed restrictions.
v.
lath·ered, lath·er·ing, lath·ers
v.
tr.
To spread with or as if with lather.
Informal To give a beating to; whip.
v.
intr.
To produce lather; foam.
To become coated with lather.
[Probably from Middle English latheren, to wash or soak clothes, from Old English lēthran, to cover with lather; see leu(ə)- in Indo-European roots.] lath'er·er n., lath'er·y adj.
[lath
-er] 