Tether /(têth"ẽr)/

Teth·er

Tether

n.
  1. A long rope or chain by which an animal is fastened, as to a stake, so that it can range or feed only within certain limits.

Tether

v. t.

imp. & p. p. Tethered; p. pr. & vb. n. Tethering

  1. To confine, as an animal, with a long rope or chain, as for feeding within certain limits.
    And by a slender cord was tethered to a stone.