cross tongue

cross tongue

A tongue of wood (either cross-grained or plywood) used to join two timbers in a tenoned frame to provide additional strength.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
The Pliable MDF Board can be joined with dowels, cross tongues or butt jointed to increase length or width.