Apex stone

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.
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