Separation of wood extending a few inches in length longitudinally, formed during the drying process; commonly caused by the immediate effect of a dry wind or hot sun on freshly sawn timber.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
A longitudinal crack that develops in wood during the drying process as a result of uneven or rapid seasoning.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.