apex stone
[′ā‚peks ‚stōn] (architecture)
The uppermost stone in a gable, pediment, vault, or dome; usually triangular, often highly decorated. Also known as saddle stone.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Apex stone
The uppermost stone in a gable, pediment, vault, or dome, usually triangular, often highly decorated.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
apex stone, saddle stone
The uppermost stone in a gable, pediment, vault, or dome; usually triangular, often highly decorated.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.