briefcase bomb

1. 1.

   a bomb consisting of an explosive and timer hidden inside a briefcase

   Broaderbomb

Questions about briefcase bomb

What does briefcase bomb mean?

briefcase bomb means "a bomb consisting of an explosive and timer hidden inside a briefcase".

Is briefcase bomb a common word?

briefcase bomb is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.