any of several bloodsucking insects of the heteropterous genus Cimex, esp C. lectularius of temperate regions, having an oval flattened wingless body and infesting dirty houses: family Cimicidae
WordReference Random House Learner's Dictionary of American English © 2025
bed•bug or bed bug/ˈbɛdˌbʌg/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2025- Insectsa wingless bug that sucks blood and lives in houses and beds.
bed•bug
(bed′bug′),USA pronunciation n.
- Insectsa flat, wingless, bloodsucking hemipterous insect, Cimex lectularius, that infests houses and esp. beds.
- Insectsany of several other bloodsucking bugs of the family Cimicidae.
- bed + bug1 1800–10
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'bedbug' also found in these entries (note: many are not synonyms or translations):