A kind of early telescope. / (historical) An instrument for viewing an enlarged image of engraved prints or maps http://www.monticello.org/site/research-and-collections/perspective-glass.

A Scots dialect spoken in and around Glasgow, Scotland.

(US politics, uncommon) A Republican who invariably votes for Republican candidates.

plural of glass cutter

A glacier located in the eastern Karakoram range in the Himalayas, at about 35.421226°N 77.109540°E, which (along with the area around it) is claimed by both India and Pakistan, and has been occupied by India since 1984.

A connector that holds the end of a cable in place

plural of glaucous gull

(mineralogy) sanidine

The neutral salt skimmed from the surface of melted crown glass.

glass ornamented with figures on a dull ground