As when the stricken whale, that from the tub has reeled out hundreds of fathoms of rope; as, after deep sounding, he floats up again, and shows the slackened curling line buoyantly rising and spiralling towards the air; so now, Starbuck saw long coils of the umbilical cord of Madame Leviathan, by which the young cub seemed still tethered to its dam.
There are no more uses of "tether" in the book.
Show samples from other sources
My body dangles, tethered by a rope hooked to my belt.
Sabaa Tahir -- An Ember in the Ashes
Most of the others sat slumped and sleeping in wheelchairs lined up in front of a huge television screen, all tethered to oxygen tanks like withered balloons.
Laurie Halse Anderson -- The Impossible Knife of Memory