From Longman Dictionary of Contemporary Englishgarbage disposalˈgarbage disˌposal noun [countable] American EnglishDFU a small machine in the kitchen sink which breaks vegetable waste into small pieces so that it washes down the drain of the sink SYN waste disposal British English
Examples from the Corpus
garbage disposal• Her gear shifts sounded like twenty cooks pushing trays of silverware into an industrial-strength garbage disposal.• The man who shared her apartment was surly, unfriendly, and always complaining about the lifts and the garbage disposal.• On the other hand, we understand why you would prefer not to see usable food go down the garbage disposal.• Run lemon wedges or fresh mint leaves through garbage disposal to kill odors. 