Definition of wirrah in US English:

wirrah

(also wirra)

noun

Australian
  • Any of several Australian inshore fishes of the serranid genus Acanthistius, especially A. serratus of western Australia and A. ocellatus of eastern Australia, both of which are greenish brown with blue spots.

Origin

Late 19th century; earliest use found in Proceedings of the Linnean Society of New South Wales. Probably from an Australian Aboriginal language.

Pronunciation

wirrah

/ˈwɪrə/