Word Study
Bedbug
CIDE DICTIONARY
Bedbug, n.
A wingless, bloodsucking, hemipterous insect (Cimex Lectularius ), sometimes infesting houses and especially beds. See Illustration in Appendix. [1913 Webster]
OXFORD DICTIONARY
Bedbug, n. either of two flat, wingless, evil-smelling insects of the genus Cimex infesting beds and unclean houses and sucking blood .
For further exploring for "Bedbug" in Webster Dictionary Online