n. A variety of brown to red-brown sandstone once popular as a building material.
n. A row house built of brownstone, especially in New York City.
A Manhattan
brownstone
the GNU version of the Collaborative International Dictionary of English
n. A dark variety of sandstone, much used for building purposes.
n. a building, especially a dwelling, faced with brownstone{1}.
The Century Dictionary and Cyclopedia
n. A name given to various kinds of dark-brown sandstone.
n. Decomposed iron pyrites.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a reddish brown sandstone; used in buildings
n. a row house built of brownstone; reddish brown in color
Word Usage
"Today, the term brownstone can describe almost any row house, which typically has a facade of brick, limestone, actual brownstone or a mixture, he says."