(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

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

Alternative form of glassblowing

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

plural of glass onion

decorative glass articles, notably vases, that are coloured or of artistic form or design beyond the requirements of utility.

Any of a range of calcium boroaluminate glasses that have specialist technical uses.

A magnifying glass used to count the density of threads in a textile