Lath"er (?), n. [AS. le�xa0;&edh;or niter, in le�xa0;&edh;orwyrt soapwort; cf. Icel. laur; perh. akin to E. lye.]
1.
Foam or froth made by soap moistened with water.
2.
Foam from profuse sweating, as of a horse.
© Webster 1913.
Lath"er, v. t. [imp. & p. p. Lathered (?); p. pr. & vb. n. Lathering.] [AS. l&emac;&edh;rian to lather, anoint. See Lather, n. ]
To spread over with lather; as, to lather the face.
© Webster 1913.
Lath"er, v. i.
To form lather, or a froth like lather; to accumulate foam from profuse sweating, as a horse.
© Webster 1913.
Lath"er, v. t. [Cf. Leather.]
To beat severely with a thong, strap, or the like; to flog.
[Low]
© Webster 1913.