°An arthropod in the class Insecta, characterized by six legs, up to four wings, and a chitinous exoskeleton.
"Our shed has several insect infestions, including ants, yellowjackets, and wasps."
°(colloquial) Any small arthropod similar to an insect including spiders, centipedes, millipedes, etc.
"The swamp is swarming with every sort of insect."
synonyms: bug