What is the meaning of Ua?

BIPM recommendation for the unit symbol of astronomical unit

nothing

I

I am

I was

that, it

to do

to make

to proceed

to become

rain (condensed water from a cloud)

to rain

vein (blood vessel)

here

two

rain

sentence-final negation particle; not

to go

grape

to do

to make

to proceed

to become

vein (blood vessel)

abbreviation of unité astronomique

used before a verb to denote completed action

rain (condensed water from a cloud)

to rain

the aforementioned

archaic form of ó (“grandson, grandchild; descendant”)

yes

alternative spelling of ũa

present tense marker

rain

grape, grapes (fruit)

uncle (older brother of someone’s parent)

aunt (older sister of someone’s parent)

flower

yard, court (an enclosure typically attached to the back of a house)

fence (of sticks or grass, of the type used for such an enclosure)

to kill

rain (condensed water from a cloud)

two

Source: wiktionary.org