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

prevocalic form of a (“and”)

prevocalic form of a (“with”)

oak (wood or tree)

an oaken ship

the runic character ᚪ (/ɑ(ː)/)

but

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

Used to form a negative tag question, especially in dependent clauses

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