/ Dictionary / Index F frog's-bit: Meaning and Definition of Find definitions for: frog's-bit Pronunciation: (frogz'bit", frôgz'-), [key] — n. an aquatic, floating plant, Hydrocharis morsus-ranae, of Eurasia, having thick, roundish, spongy leaves. an aquatic, floating plant, Limnobium spongia, of tropical America, having reddish-brown spotted, oblong, heart-shaped, or ovate leaves. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: frog's-bit (Thesaurus) frogmouth frog spit Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language