1. ou - Noun
2. Ou - Proper noun
ou (plural ous)
A probably extinct species of Hawaiian honeycreeper, Psittirostra psittacea.
ou (plural ous or ouens)
(South Africa, colloquial) A fellow, guy, bloke. [from 20th c.]
Initialism of Open University.
Initialism of Ohio University.
Initialism of University of Oklahoma.
Source: en.wiktionary.org