sleeper cell

1. 1.

   a cell of sleepers

   “an al-Qaeda sleeper cell may have used Arizona as its base”

   Broadercell

Questions about sleeper cell

What does sleeper cell mean?

sleeper cell means "a cell of sleepers".

Is sleeper cell a common word?

sleeper cell 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.