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Tether
Tether Teth"er, n. [Formerly tedder, OE. tedir; akin to LG.
tider, tier, Icel. tj[=o]?r, Dan. t["o]ir. [root]64.]
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.
TetherTether Teth"er, v. t. [imp. & p. p. Tethered; p. pr. & vb.
n. Tethering.]
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.
--Wordsworth.
Meaning of Tether from wikipedia