stone·ma·son (st?n?m??s?n)n. One that prepares and lays stones in building.stone?ma?son·ry n.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.stonemason (?st??n?me?s?n) n (Building) a person who is skilled in preparing stone for building ?stone?masonry nCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014stone?ma?son (?sto?n?me? s?n) n. a person who builds with or dresses stone. [1750?60] stone?ma`son?ry, n. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.