brownstone

noun

1. (uncountable)A variety of brown to red-brown sandstone once popular as a building material.
2. (countable)A row house built of brownstone, especially in New York City.

   “Lived in a brownstone, lived in the ghetto, I’ve lived all over this town.”

   “Did I mention he lives in a fantastic, expensive-looking brownstone? Did I mention that he’s a published novelist? Did I mention that he’s an involved, attentive father?”

   “They emerge from the car to face a pair of brownstones, stately narrow things, which seem to have been similarly renovated and decorated.”

verb

1. (historical, transitive)To scour (steps) with a donkey stone.