noun. A reddish-brown sandstone used as a building material.

noun. A house built or faced with brownish-red sandstone.

noun. Decomposed iron pyrites.

noun. A name given to various kinds of dark-brown sandstone.

noun. A dark variety of sandstone, much used for building purposes.

noun. a building, especially a dwelling, faced with brownstone{1}.

noun. A variety of brown to red-brown sandstone once popular as a building material.

noun. A row house built of brownstone, especially in New York City. A Manhattan brownstone

noun. a reddish brown sandstone; used in buildings

noun. a row house built of brownstone; reddish brown in color

"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."

row house  sandstone  townhouse  

brown-stone  clapboard  dreary-looking  five-story  high-rise