Glass-manuf. rare. [ad. F. tisart opening of a furnace, f. tiser to poke, stir, etc.: see TEASE v.2] The fireplace or furnace used to heat the annealing arch for plate-glass.
1839. Ure, Dict. Arts, 587. The carquaise is heated by means of a fire-place of a square form called a tisar, which extends along its side.
