Definitions for bug

(general term for any insect or similar creeping or crawling invertebrate)

(a fault or defect in a computer program, system, or machine)

(a small hidden microphone; for listening secretly)

(insects with sucking mouthparts and forewings thickened and leathery at the base; usually show incomplete metamorphosis)

(a minute life form (especially a disease-causing bacterium); the term is not in technical use)

(annoy persistently; "The children teased the boy because of his stammer")

(tap a telephone or telegraph wire to get information; "The FBI was tapping the phone line of the suspected spy"; "Is this hotel room bugged?")