count down

1. 1.

   count backwards; before detonating a bomb, for example

   Broadercount

Questions about count down

What does count down mean?

count down means "count backwards; before detonating a bomb, for example".

Is count down a common word?

count down 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.