Breadcrumb Home > Dictionary Cite Meaning of bedbug Find definitions for: bed•bug Pronunciation: (bed'bug"), [key] — n. a flat, wingless, bloodsucking hemipterous insect, Cimex lectularius, that infests houses and esp. beds. any of several other bloodsucking bugs of the family Cimicidae. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bedbug (Thesaurus) bed bolt bed chair Related Content Daily Word Quiz: recherch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language