plural of armful

Alternative form of armful

(military) A badge worn on the sleeve of a soldier's uniform in the shape of a shield, used to denote allegiance

plural of armshield

plural of armsaye

Alternative form of armscye

(mineralogy) A monoclinic-sphenoidal mineral containing calcium, hydrogen, oxygen, silicon, and zirconium.

(diving) A dive from a platform that starts from the hands.

The altitude above sea level at which water boils without a pressurized environment, and at which a person would require a pressure suit or pressurized environment to survive, and avoid having their bodily fluids boil away.

A wrought iron breechloading cannon.