Definition of "say again" in English

Phrase

1. "What did you say?" or "Repeat what you have said." A polite formula used when one has not heard or understood what has been said.

   • I'm sorry, I didn't hear you. Please say again?

2. To repeat part of or entire message transmitted over the radio, used instead of "repeat" which is an artillery procedure word.

   • Bravo Six, say again, over.
   • Bravo Actual, I say again: Eight foot mobiles moving east, over.