Wiktionary
pierglass
n. A tall narrow mirror, usually set between two windows, above a pier table
Usage examples of "pierglass".
All The Pretty Horses By Cormac McCarthy I THE CANDLEFLAME and the image of the candleflame caught in the pierglass twisted and righted when he entered the hall and again when he shut the door.
She received me in the parlour with her mother, and I was delighted to see the pierglass over the mantel, and the china displayed on a little table.
Arabella was so much impressed by the elegance of the sky-blue draperies, and the almost intolerable glare of a huge cut-glass chandelier, reflected, with its myriads of candles, in four large pierglasses, that she momentarily forgot her last meeting with Mr.