plyers uncommon archaic noun 1. a gripping hand tool with two hinged arms and (usually) serrated jaws Synonymsplierspair of pliers Related words Broader terms hand toolcompound lever Narrower terms locking pliersneedlenose plierspump-type pliersrib joint pliersslip-joint pliers Part of jaw WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.