Meaning of curling stone

curl'ing stone"

Pronunciation: [key]
  1. a large, heavy, ellipsoidal stone or a similar object made of iron, usually having one rough side and one smooth side with a hole in the center of each for screwing in a handle by which the stone is released, for use in the game of curling.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.