brass hat

1. 1.

   a high-ranking military officer

   Broadermilitary officer

   military

Questions about brass hat

What does brass hat mean?

brass hat means "a high-ranking military officer".

Is brass hat a common word?

brass hat is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.