(archaic) Complete set of clothes used for body protection in battle, armour

A portable battery, fitted with cables and a charger, used to charge a dead battery, especially in a car.

plural of battle cry

(military) An exclamation troops yell out when going to war or battle. / (by extension) A strong motto or purpose statement, especially in regards to winning a goal in sports, games or work.

(electronics, of a device) Using a battery to maintain operation when not powered by the main electrical supply (e.g. during a blackout).

plural of bathing beauty

The primary tank of a country or armed forces.

plural of batty rider

plural of battle cruiser

A piece of laboratory equipment consisting of a vessel containing water, in which is suspended a flask etc that is to be subject to careful heating or cooling.