Definition of "Bug" :

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

noun: general term for any insect or similar creeping or crawling invertebrate

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

noun: a small hidden microphone; for listening secretly

noun: a fault or defect in a computer program, system, or machine

verb: annoy persistently

verb: tap a telephone or telegraph wire to get information

"Is this hotel room bugged?."