All G&A a/c A/D a/r A/S a/s/l C/A See all meanings Idioms and phrases on a collision program idiom[ C/U ]   audio   plural A’s or As in Western songs, the sixth Observe in the size (= number of notes) that commences around the note C, or even a list of notes based upon this Take noteWhen The traditional Greeks adopted the alphabet, they'd no us