/ Dictionary / Index L larvicide: Meaning and Definition of Find definitions for: lar•vi•cide Pronunciation: (lär'vu-sīd"), [key] — n. an agent for killing larvae. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: larvicide (Thesaurus) larval larviparous Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language