each of two or more words having the same spelling and pronunciation but different meanings and origins (e.g. pole1 and pole2). 同形同音异义异源词[例如pole1和pole2]。 ■(Biology)a Latin name which is identical to that of a different organism, the newer of the two names being invalid (生)(拉丁名)异物同名,异种同名(较新的名无效)