Foam , v. t. To cause to foam; as, to
foam the goblet; also (with out), to
throw out with rage or
violence, as foam. "Foaming out their own shame." Jude 13.
Foam , v. i. [imp. & p. p. Foamed (fōmd); p. pr. & vb. n. Foaming.]
[AS.
f?man. See Foam, n.] 1. To gather foam; to froth; as, the
billows foam.
He foameth, and gnasheth with his teeth.
Mark ix.
18. 2. To form foam, or
become filled with foam; -- said of a steam boiler when the water is
unduly agitated and frothy, as because of chemical action.
Foam (fōm),
n. [OE. fam, fom, AS. fām; akin to
OHG. & G. feim.]
The
white substance,
consisting of an aggregation of bubbles, which is formed on the
surface of liquids, or in the mouth of an animal, by violent agitation or fermentation; froth; spume; scum; as, the
foam of the sea.
Foam cock, in steam boilers, a cock at the water level, to blow off impurities.
Hear it pronounced