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bond timber[′bänd ‚tim·bər]
A section of wood built horizontally into a brick or stone wall in order to strengthen it or to hold it together during construction.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A timber built into a brick or stone wall in a horizontal position, for the purpose of strengthening it or for tying it together during construction; serves as a bonding course and as a means for securing the battening and bracketing.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.