What is the meaning of Ac?

account; money of account

alicyclic

Abbreviation of acre.

Alternative letter-case form of AC (air conditioning)

Alternative letter-case form of AC (alternating current)

ante cibum, before meals

needle

hungry

Alternative form of AC

who?

plural of at

but

and

with

oak (wood or tree)

an oaken ship

the runic character (/ɑ/)

but

but instead: in this sense ac should sometimes be translated as "but," but most often it is best left untranslated

Alternative form of oc

Alternative form of ak

Pronunciation spelling of avec.

Alternative form of atque

needle

Prevocalic form of a (and)

Source: wiktionary.org