Definition of "ashlar" []

• A squared block of building stone. (noun)
• Masonry of such stones. (noun)
• A thin, dressed rectangle of stone for facing walls. (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.

• "So he abode in prison, and when they brought out the prisoners, to cut ashlar from the quarries they took Sa’id with them, and he wrought with the rest."
• "In early times the walls were very much thicker, composed of hewn stone, making a kind of casing at each side, called ashlar, the interval being filled with rubble masonry cemented with lime and loam."
• "Finally, still other portions of this same Mycenaean wall show on the outside a near approach to what is called ashlar masonry, in which the blocks are rectangular and laid in even horizontal courses."