soy//sɔɪ//B1Frequency Level 10NeutralNoun1A plant of the legume family native to East Asia, cultivated for its edible beans.Soy is widely grown in East Asia.2The edible bean of the soybean plant, used to make various food products such as tofu, soy milk, and soy sauce.Soy is used to make tofu and soy milk.Synonymsoybeansoya