pliers(n = noun.artifact) pair of pliers, plyers - a gripping hand tool with two hinged arms and (usually) serrated jaws;
is a kind of compound lever, hand tool
has parts: jaw
has particulars: locking pliers, needlenose pliers, pump-type pliers, rib joint pliers, slip-joint pliers

   A kind of small pinchers with long jaws, -- used for bending or cutting metal rods or wire, for handling small objects such as the parts of a watch, etc. [1913 Webster]

pliers, n.pl. pincers with parallel flat usu. serrated surfaces for holding small objects, bending wire, etc.

Etymology:
(dial.) ply bend (as PLIABLE)

N  retention, retaining, keep, detention, custody, tenacity, firm hold, grasp, gripe, grip, iron grip, fangs, teeth, claws, talons, nail, unguis, hook, tentacle, tenaculum, bond, clutches, tongs, forceps, pincers, nippers, pliers, vice, paw, hand, finger, wrist, fist, neaf, neif, bird in hand, captive, retaining, retentive, tenacious, unforfeited, undeprived, undisposed, uncommunicated, incommunicable, inalienable, in mortmain, in strict settlement, uti possidetis.

N  extraction, extracting, removal, elimination, extrication, eradication, evolution, evulsion, avulsion, wrench, expression, squeezing, extirpation, extermination, ejection, export, extractor, corkscrew, forceps, pliers, extracted.

locking pliers, needlenose pliers, pair of pliers, pump-type pliers, punch pliers, rib joint pliers, slip-joint pliers