in arms vs military

in arms

military

noun
  • Armed forces. 

adj
  • Relating to armies or ground forces. 

  • Relating to war. 

  • Characteristic of members of the armed forces. 

  • Relating to armed forces such as the army, marines, navy and air force (often as distinguished from civilians or police forces). 

How often have the words in arms and military occurred in a corpus of books? (source: Google Ngram Viewer )