tether

noun

• a rope or chain with which an animal is tied to restrict its movement.

verb

• 1tie (an animal) with a rope or chain so as to restrict its movement:the horse had been tethered to a post

• 2 (usually as noun tethering) use (a smartphone) in order to connect a computer or other device to the Internet:one prediction is that tethering will cost around $30 per month, probably with some cap on the amount of data transfer allowed