Definition from Wiktionary, the free dictionary
- Rhymes: -əʊɪn
Proper noun 
- A male given name of Welsh origin, possibly derived from Eugene, cognate to Gaelic Eòghan.
- A Welsh patronymic surname derived from the given name.
- An Irish and Scottish patronymic surname from the Gaelic Mac Eoghain.
- 1593, William Shakespeare, King Henry VI, Part 2: Act II, Scene II:
- This Edmund, in the reign of Bolingbroke,
- As I have read, laid claim unto the crown;
- And but for Owen Glendower, had been king,
- Who kept him in captivity till he died.