a chained dog
The dog was tethered to a stake in the ground to keep it from running away.
The dog must be tethered to the tree so he doesn't run away.
The goat was tethered to the fence.
Tether means a rope, chain, or similar restraint for holding something (like an animal) in place, allowing a short radius in which it can move about. Like a dog chained up. So tethered means this has been done.
I need to tether the horses to the picket line while we rest. The tether keeps the blimp from blowing away in the wind.
The small boat was tethered to the dock with a length of rope.
tethered downloads
I've tethered your horse just outside the back door, sir.I think I might actually prefer a tethered hot air balloon flight.
Leashed
A tethered protein is one that is not embedded inside a membrane but is suspended away from it.
The cast of Tethered - 2010 includes: John Brumpton as Foreman Richard Cawthorne as Knifeman
The cast of Tethered - 2011 includes: Dan Haugland as Neighbor Sherry Romito as Nora