/ Dictionary / Index W wood louse: Meaning and Definition of Find definitions for: wood' louse" Pronunciation: [key] — Zool. Zool. any of certain small, terrestrial crustaceans of the genera Oniscus, Armadillidium, etc., having a flattened, elliptical body. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: woodlouse (Thesaurus) wood lot woodman Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language