Food Waste

Food waste, kitchen waste, or garbage (North American English) is any form of waste derived from food materials. It typically consists of vegetable peelings, meat scraps, excess or spoiled prepared food, and other discards from domestic or commercial kitchens.
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Noun
1. food that is discarded (as from a kitchen)
(synonym) garbage, refuse, scraps
(hypernym) waste, waste material, waste matter, waste product

Uneaten food and food preparation wastes from residences and commercial establishments such as grocery stores, restaurants, and produce stands, institutional cafeterias and kitchens, and industrial sources like employee lunchrooms.