foam

[ fohm ]
/ foʊm /

noun

verb (used without object)

to form or gather foam; emit foam; froth.

verb (used with object)

Idioms for foam

    foam at the mouth, to be extremely or uncontrollably angry.

Origin of foam

before 900; Middle English fom, Old English fām; cognate with German Feim

OTHER WORDS FROM foam

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for foam at the mouth

foam
/ (fəʊm) /

noun

verb

to produce or cause to produce foam; froth
(intr) to be very angry (esp in the phrase foam at the mouth)

Derived forms of foam

foamless, adjectivefoamlike, adjective

Word Origin for foam

Old English fām; related to Old High German feim, Latin spūma, Sanskrit phena
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for foam at the mouth

foam
[ fōm ]

Small, frothy bubbles formed in or on the surface of a liquid, as from fermentation or shaking.
A colloid in which particles of a gas are dispersed throughout a liquid. Compare aerosol emulsion.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Idioms and Phrases with foam at the mouth

foam at the mouth

Be extremely angry, as in She was foaming at the mouth over the judge's ruling. This hyperbolic term uses the verb foam in the sense of “froth at the mouth,” a usage generally applied to animals such as horses and dating from about a.d. 950. [1400s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.