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A clamp with two parallel jaws and two screws used by woodworkers; the clamping action is provided by means of the screws, one operating through each jaw.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
Any clamp set by means of a screw, but esp. one used in woodworking which has two large parallel jaws for holding the work to be pressed together.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.