union army

1. 1.

   the northern army during the American Civil War

   Broaderarmyblue

Questions about union army

What does union army mean?

union army means "the northern army during the American Civil War".

Is union army a common word?

union army 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.