An Insect

1. An arthropod (in the Insecta class) characterized by six legs, up to four wings, and a chitinous exoskeleton.
2. (colloquial) Any small arthropod similar to an insect including spiders, centipedes, millipedes, etc
3. (derogatory) A contemptible or powerless person.

Synonyms

• bug (colloquial)