Definition of "sandstone" [sand•stone]

• A sedimentary rock formed by the consolidation and compaction of sand and held together by a natural cement, such as silica. (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 have many windows I'm fond of remembering, but my favorite is looking out the tent flap, sometimes out of the cliffside shelter site (no 'caves' in sandstone) in North Ponil Canyon outside of Cimarron, NM, during summer hail storms, marveling at the fusion of hail into golfball-to-baseball sizes that when they fell, ripped through the trees, causing a wafting of pine scent sweeping through the canyon."
• "The last and most recent of the three groups was the Huastecas with their rich work carved in sandstone and their temple murals in black, ocher, brown, red and white and decorated with sculptures of humans, birds, and serpents."
• "The top course of the table land is a layer of magnetic ironstone, which attracted my compass upwards of 20 degrees; underneath is a layer of red sandstone, and below that is an immense mass of white sandstone, which is very soft, and crumbling away with the action of the atmosphere."