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alligator wrench[′al·ə‚gād·ər ‚rench]
A wrench having fixed jaws forming a V, with teeth on one or both jaws.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A wrench having V-shaped, fixed serrated jaws; used to turn cylindrical parts, esp. in fitting pipe.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.