What is the meaning of Aua?

Aldrichetta forsteri, a mullet of the family Mugilidae.

water

we (exclusive)

we are (exclusive)

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 (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