embattle

 
Pronunciation: /ɪmˈbat(ə)l, ɛm-/

verb

[with object] archaic
  • 1make (an army) ready for battle: it was three o’clock before the king’s army was embattled
  • 2fortify (a building or place) against attack: fear builds castles and embattles cities

Origin:

Middle English: from Old French embataillier