(roofing) glass fibers bonded into a sheet with resin and suitable for impregnation with asphalt in the manufacture of bituminous waterproofing, roofing membranes and shingles.

(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

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

plural of night glass

plural of night-glass

Alternative form of glassblowing

A large hand-blown glass bottle used aboard ships to hold wine or brandy.