bedbug

or bed bug

[ bed-buhg ]
/ ˈbɛdˌbʌg /

noun

a flat, wingless, bloodsucking hemipterous insect, Cimex lectularius, that infests houses and especially beds.
any of several other bloodsucking bugs of the family Cimicidae.

Origin of bedbug

First recorded in 1800–10; bed + bug1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for bedbug

bedbug

/ (ˈbɛdˌbʌɡ) /

noun

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for bedbug

bedbug

[ bĕdbŭg′ ]

n.

A wingless, odorous insect with a flat, reddish body that infests dwellings and bedding and feeds on human blood.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.