Main definitions of ou in US English:

: ou1ou2

ou1

noun

South African
informal

Origin

Afrikaans, probably from Dutch ouwe ‘old man’.

Pronunciation

ou

/oʊ//ō/

Main definitions of ou in US English:

: ou1ou2

ou2

noun

  • A fruit-eating Hawaiian honeycreeper with a stout bill and green and yellow plumage.

    Psittirostra psittacea, family Drepanididae

    Compare with o-o

Origin

Late 19th century: the name in Hawaiian.

Pronunciation

ou

/ˈōˌo͞o/