waste disposal unitOur editors are putting together more complete content — check back in about 20 minuteswaste disposal unitwaste disposal unit — noun名詞1. a machine under a kitchen sink that grinds up food waste so it can be washed awa1.名詞釋義a machine under a kitchen sink that grinds up food waste so it can be washed away例句I put the leftover vegetable scraps into the waste disposal unit.