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