All G&A a/c A/D a/r A/S a/s/l C/A See all meanings Idioms and phrases on the collision training course idiom[ C/U ]   songs   plural A’s or As in Western music, the sixth note in the dimensions (= number of notes) that starts about the Take note C, or a list of notes dependant on this Be awareWhen the ancient Greeks adopted the alphabet, that t