A soldier who is assigned to aim and fire a mounted machine gun such as that on the turret of a tank.

plural of layer-cake

(intransitive) To put on several layers of clothing. / (transitive) To stack upwards in layers; to overlay repeatedly.

Alternative form of abscission layer

Alternative spelling of layer cake

Alternative form of multilayered

Alternative form of gun-layer

(physics) A thin layer of vapor near a liquid or solid, where the gas's behavior is dominated by interactions with the liquid or solid.

plural of Knudsen layer

(aviation) The airspace above the transition altitude but below the transition level.