staff officer

1. 1.

   a commissioned officer assigned to a military commander's staff

   Broadercommissioned officer

   Narrowerjudge advocatequartermaster general

   military

Questions about staff officer

What does staff officer mean?

staff officer means "a commissioned officer assigned to a military commander's staff".

Is staff officer a common word?

staff officer 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.