Definition of heteronym in English:

heteronym

noun

Linguistics
  • 1Each of two or more words which are spelled identically but have different sounds and meanings, such as tear meaning ‘rip’ and tear meaning ‘liquid from the eye’.

  • 2Each of two or more words which are used to refer to the identical thing in different geographical areas of a speech community, such as nappy and diaper.

  • 3Each of two words having the same meaning but derived from unrelated sources, for example preface and foreword.

    Contrasted with paronym

Pronunciation:

heteronym

/ˈhɛtərə(ʊ)nɪm/