Definition of "marble" []

• A metamorphic rock formed by alteration of limestone or dolomite, often irregularly colored by impurities, and used especially in architecture and sculpture. (noun)
• A piece of this rock. (noun)
• A sculpture made from this rock. (noun)
• Something resembling or suggesting metamorphic rock, as in being very hard, smooth, or cold: a heart of marble; a brow of marble. (noun)
• Games A small hard ball, usually of glass, used in children's games. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I think part of the problem with finding an artist who works in marble is that it is not forgiving, and sort of pricey."
• "You see, MA sculpted in marble from the front to the back, not top to bottom."
• "The campaign of Sen. Clinton is one that will go down in the history books as a great one for our country, breaking what I call the marble ceiling, what they call the glass ceiling."