Learn how to say Homonym correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word homonym:
each of two or more words having the same spelling or pronunciation but different meanings and origins (e.g. pole1 and pole2).
Biology a Latin name which is identical to that of a different organism, the newer of the two names being invalid.
late 17th century: via Latin from Greek homōnumon, neuter of homōnumos ‘having the same name’, from homos ‘same’ + onoma ‘name’