Pronunciation: (broun'stōn"), [key]
1. a reddish-brown sandstone, used extensively as a building material.
2. Also called brown'stone front'. a building, esp. a row house, fronted with this stone.
Archaic.belonging or pertaining to the well-to-do class.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.