What is the meaning of Tra?

Synonym of iridescent shark (a shark catfish of species Pangasianodon hypophthalmus)

A meaningless syllable used when singing a tune.

beam, girder; timber

scaffolding

balance beam

family, different house

thing

masculine singular present transgressive of třít

three

earth, soil

Alternative spelling of trá

over/across his/her/its/their

other

last, past

path in the forest, trail

firebreak

through

fuck

through

between

among

in (expression of time)

between

among

in

three

between

among

in

to put in or fit in (a part such as a tenon into a mortise)

to investigate, to examine, to inspect

North Central Vietnam form of già (old)

quite, entirely, very

while

Source: wiktionary.org