All G&A a/c A/D a/r A/S a/s/l C/A See all meanings Idioms and phrases with a collision course idiom[ C/U ]   tunes   plural A’s or As in Western audio, the sixth Be aware in the dimensions (= series of notes) that commences within the Notice C, or even a list of notes based on this Take noteIn algebra, the letter a along with various other lett