1. tether - Noun
2. tether - Verb
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.
To confine, as an animal, with a long rope or chain, as for feeding within certain limits.
Source: Webster's dictionaryNae man can tether time or tide. Robert Burns
And then my chance really happened in 1996 when we added the second flight of the tether satellite. Umberto Guidoni
This business can be very erratic and intense ... You can be the subject of great attention, both positive and negative. You really do have to tether yourself when you're a teen star. If you don't have that tether, then you're really lost. Claire Danes
If his thinking has been sound, then this world is at the end of its tether. The end of everything we call life is close at hand and cannot be evaded. H. G. Wells
I really enjoy playing that everyman part because that part is us, the audience. And you need somebody inside a comedy to tether the absurdity to reality. Jason Bateman
Only when the tree is big and strong can you tether a cow to it. Liberia Proverb