Definition from Wiktionary, the free dictionary
- (UK) IPA: /ˈdævənpɔː(ɹ)t/
Proper noun 
- A habitational surname from the town in Cheshire.
- A surname of Irish origin from the Gaelic Ó Donndubhartaigh.
- A surname of Anglo-Norman origin: de avesne port, where avesne is derived from Frankish avisna ("field" see:Wiese).