Saddle notch
Saddle notch
A round notch cut near one end in either the lower or upper surfaces of a log that forms an interlocking joint when matched with a similarly notched log set at right angles to it.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
saddle notch

saddle notches
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.