tendon(n = noun.body) sinew - a cord or band of inelastic tissue connecting a muscle with its bony attachment;
is a kind of connective tissue
is a part of muscle system, muscular structure, musculature
has particulars: hamstring, hamstring tendon, achilles tendon, tendon of achilles
Derived form adjective tendinous₁

   A tough insensible cord, bundle, or band of fibrous connective tissue uniting a muscle with some other part; a sinew. [1913 Webster]

tendon, n.
1 a cord or strand of strong tissue attaching a muscle to a bone etc.
2 (in a quadruped) = HAMSTRING.

Derivative:
tendinitis n. tendinous adj.

Etymology:
F tendon or med.L tendo -dinis f. Gk tenon sinew f. teino stretch

N  connection, vinculum, link, connective, connection, junction, bond of union, copula, hyphen, intermedium, bracket, bridge, stepping-stone, isthmus, bond, tendon, tendril, fiber, cord, cordage, riband, ribbon, rope, guy, cable, line, halser, hawser, painter, moorings, wire, chain, string, fastener, fastening, tie, ligament, ligature, strap, tackle, rigging, standing rigging, running rigging, traces, harness, yoke, band ribband, bandage, brace, roller, fillet, inkle, with, withe, withy, thong, braid, girder, tiebeam, girth, girdle, cestus, garter, halter, noose, lasso, surcingle, knot, running knot, cabestro, cinch, lariat, legadero, oxreim, suspenders, pin, corking pin, nail, brad, tack, skewer, staple, corrugated fastener, clamp, U-clamp, C-clamp, cramp, cramp iron, ratchet, detent, larigo, pawl, terret, treenail, screw, button, buckle, clasp, hasp, hinge, hank, catch, latch, bolt, latchet, tag, tooth, hook, hook and eye, lock, holdfast, padlock, rivet, anchor, grappling iron, trennel, stake, post, cement, glue, gum, paste, size, wafer, solder, lute, putty, birdlime, mortar, stucco, plaster, grout, viscum, shackle, rein, prop.

achilles tendon, achilles' tendon, hamstring tendon, tendon of achilles