1. (v. t.) To arrange in order of battle; to array for battle; also, to prepare or arm for battle; to equip as for battle.

2. (v. i.) To be arrayed for battle.

3. (v. t.) To furnish with battlements.

arm armor armor-plate bank barricade battle blockade bulwark castellate crenellate dig in entrench fence fortify garrison man man the garrison mine palisade wall