D defs.my
Entry 3 senses Webster, 1913

briefing

· IPA /ˈbɹiː.fɪŋ/
01 n. giving detailed instructions, as for a military operation.
  1. 1.
    giving detailed instructions, as for a military operation.
  2. 2.
    a detailed set of instructions before an operation, given to those who are to execute it.
  3. 3.
    a summary report of an operation or event after it has occurred, by a participant or observer.