Words like bank meaning both the edge of the river and an establ

Words like bank meaning both the edge of the river and an establishment for money business are called________ .
【正确答案】：homonyms
【题目解析】：bank当做“银行”讲和当做“河提”讲，但是bank是完全不同的两个词，属于homonyms。 注意不要误解为polysemy 的关系。答案依据在课本第100页。