Definition from Wiktionary, the free dictionary
- (radio slang, question) Do you want me to repeat my call?
- (radio slang, statement) Please repeat your call; I did not hear you.
QSR (plural QSRs)
- quick-service restaurant
- (astronomy) Initialism of Quasi-Stellar Radio-source. (a quasar)
- (dated) radio-loud quasar