What Is It Called When One Word Has Multiple Meanings?

What Is It Called When One Word Has Multiple Meanings? Polysemy (/pəˈlɪsɪmi/ or /ˈpɒlɪsiːmi/; from Greek: πολύ-, polý-, “many” and σῆμα, sêma, “sign”) is the capacity for a word or phrase to have multiple related meanings. … Dictionary writers often list polysemes under the same entry; homonyms are defined separately. What is a Polysemic word?