noun
plate glass; sheet glass
Refers to flat, pane-like glass used in windows, tabletops, and similar applications.
窓に板ガラスをはめる。
Fit a pane of glass into the window.
このテーブルは厚い板ガラスでできている。
This table is made of thick plate glass.
Compound of 板 (ita, 'board, plank') and ガラス (garasu, 'glass'), literally 'board glass'.