Under arms Meaning, Definition & Usage

  1. adverb armed and prepared for fighting

WordNet


Definitions
  1. . (Mil.) (a) Drawn up fully armed and equipped. (b) Enrolled for military service; as, the state has a million men under arms.
Definitions
  1. armed and equipped and in readiness for battle, or for a military parade.
  2. . (Mil.) (a) Drawn up fully armed and equipped. (b) Enrolled for military service; as, the state has a million men under arms.

Webster 1913