plural of Glas

(chiefly boxing) A fighting vulnerability where one is easily knocked out via a single hard blow to the chin or jaw (due to lack of conditioning, insufficient training, or damage from past cerebral concussions).

plural of glass cockpit

Alternative spelling of glassworks

plural of wine glass

A type of asphalt that uses crushed glass in place of rock aggregate.

(dated) A magnifying lens, as used to focus sunlight on to an object.

plural of night glass

plural of night-glass

(plural only) A pair of eyeglasses (spectacles) with round lenses.