What is the meaning of Aua?

Aldrichetta forsteri, a mullet of the family Mugilidae.

water

we (exclusive)

we are (exclusive)

father; a male parent

four

to say ouch!, to wail

eye dialect spelling of auga

silvery mullet (Mugil curema)

water

silvery mullet (Mugil curema)

Negative imperative particle: no! don't!

alternative form of aoa

hour

ouch, ow (expression of one's own physical pain)

yellow-eye mullet, (Aldrichetta forsteri)

Negative imperative particle: no! don't!

a type of bamboo

ouch (expression of one's own physical pain)

to survey, inspect, examine, trace out

obsolete spelling of awa

hour

Source: wiktionary.org