line officer

1. 1.

   a commissioned officer with combat units (not a staff officer or a supply officer)

   Broadercommissioned officer

Questions about line officer

What does line officer mean?

line officer means "a commissioned officer with combat units (not a staff officer or a supply officer)".

Is line officer a common word?

line 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.