capstone
Also found in: Dictionary, Thesaurus, Acronyms, Wikipedia.
Related to capstone: capstone project
capstone
, copestone Mountaineering a chockstone occurring at the top of a gully or chimney
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
Capstone
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
capstone
[′kap‚stōn] (architecture)
A stone placed at the top of a stone arch.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
coping stone, capstone, copestone

coping stone
capstone
1. Any single stone in a coping.
2. A stone placed at the top of a stone arch.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.