A type of dedicated field hospital unit designed to be quickly set up as close to a combat zone as possible to facilitate the immediate treatment of wounded personnel.

The scene of a decisive conflict on a great scale. / Any great and crucial conflict.

(Christianity, Islam) Mount Megiddo, the site of a prophesied final battle between the forces of good and evil. / (by extension) The battle itself.

(rhetorical question, sarcastic) Used in response to someone’s threat suggesting that the person in question cannot do what she or he says alone.

A band worn on the arm for ornamental or identification purposes. / A small arm.

A band worn around the arm, usually to symbolize protest or mourning. / (sports) A band worn around the arm of the captain of a team. / An inflatable band worn round the arms to keep afloat in water

A reserve force of the British Army, made up of part-time soldiers.

An armored vehicle for carrying infantry soldiers in combat.

(idiomatic) A person who will rescue a dangerous situation; a hero.

Alternative spelling of knight in shining armor