What is the meaning of Haa?

A sigh.

The sound of heavy breathing when sexually aroused.

to have

Used to indicate that something exists (often with a certain property and/or in a certain location). Usually translated as there is/are or there exist(s)

to have (used in forming the perfect tense)

yes

water

four

yes

obsolete typography of

obsolete typography of

four

our

The name of the Latin-script letter H/h.

ha (expressing triumph or discovery)

until

what, how

to have

yes

The name of the Latin-script letter H/h.

Source: wiktionary.org