1 a) A rope, chain, or similar restraint for holding an animal in place, allowing a short radius in which it can move about.
b) A similar ropelike restraint used as a safety measure, especially for young children and astronauts.
2. A rope, chain, or similar restraint for holding one, especially an animal, in place, allowing a short radius in which one can move about.
3. The extent or limit of one's resources, abilities, or endurance.
To fasten or restrict with or as if with a tether.
I held your love floating about
Balloon tethered to my chest, to my soul
I watch you floating away,
Until next time.