Definition of tethers:
(n) :
A rope, cable etc. that holds something in place whilst allowing some movement.
(n) :
(figurative) The limit of one's abilities, resources, patience, etc.
(n) :
(figurative) An attachment to a place, time, entity or person.
(n) :
(nautical, sailing) A strong rope or line that connects a sailor's safety harness to the boat's jackstay.
(v) :
(transitive) To restrict with, or as if with, a tether.
(v) :
(transitive) To connect to something else.