Tether

Tether

A tether is a cord that anchors something movable to a stationary point. There are a number of applications for tethers, but the primary use is limiting the movement of animals.Fact|date=February 2008

Uses for tethers

*Animal husbandry, to tether a cow, goat, ox or horse by means of rope or chain. A means to restrict the area which an animal can graze.
*Airbags: to prevent the airbag from inflating to too large of a volume.
*Remote controlled cars, before the advent of Radio controlled cars
*Ballooning: line to keep a balloon at a fixed distance from a point to limit drift.
*Cellphones: to secure mobile devices in retail stores.
*Child car seats: Most forward-facing child car seats for children weighing nine kilograms and over are equipped with a tether strap. The tether strap is located on the rear of the child car safety seat and has a hook. The hook is designed to attach the strap to the tether anchorage on the vehicle as specified by the vehicle manufacturer. Ensure the tether is only secured to the designated anchorage point(s) in the vehicle as specified by the manufacturer.
*In cell biology, a tether (cell biology) is an elongated cylinder of a cell membrane.
* Formula One: to secure wheels to chassis.
*Economics: to regulate cost/benefit ratios.
*Giant Inflatables: to secure giant inflatables.
*House Arrest: electric monitoring device affixed to ankle in order to prevent travel outside of one's homestead.
*Military: lanyard or "dummy cord" used to secure a piece of equipment to an anchor to prevent losing it.
*Parachuting: line used to deploy a parachute automatically at a certain distance by attaching it to the aircraft. In military parachuting, this is called a "static line". Also, a line used in military parachuting to secure equipment to parachuters so to not interfere with landing, known as a "lowering line".
*pacifier clip: to secure a pacifier to an infant or toddler.
*Rock climbing and mountain climbing
*ROVs
*Ships: to secure crew from being blown overboard by heavy wind.
*Sports: In the common children's game in which a ball is tethered to a pole, see Tetherball.
*Tether satellites: Electrodynamic tethers & tether propulsion


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  • tether — [teth′ər] n. [ME < ON tjōthr, akin to OHG zeotar, wagon shaft] 1. a rope, cord, etc. fastened to something to prevent drifting, escape, etc.; specif., a rope or chain fastened to an animal so as to keep it within certain bounds 2. the limit of …   English World dictionary

  • tether — (n.) late 14c., rope for fastening an animal, probably from O.N. tjoðr tether, from P.Gmc. *teudran (Cf. Dan. tèir, Swed. tjuder, O.Fris. tiader, M.Du. tuder, Du. tuier line, rope, O.H.G. zeotar pole of a cart ), from PIE root *deu …   Etymology dictionary

  • tether — [n] fastening binding, bond, chain, cord, fetter, halter, harness, lead, leash, picket, restraint, rope, shackle; concept 475 tether [v] fasten batten, bind, chain, fetter, leash, manacle, moor, picket, restrain, rope, secure, shackle, tie;… …   New thesaurus

  • tether — ► NOUN ▪ a rope or chain with which an animal is tied to restrict its movement. ► VERB ▪ tie with a tether. ORIGIN Old Norse …   English terms dictionary

  • Tether — Teth er, n. [Formerly tedder, OE. tedir; akin to LG. tider, tier, Icel. tj[=o]?r, Dan. t[ o]ir. [root]64.] 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. [1913 Webster] …   The Collaborative International Dictionary of English

  • Tether — Teth er, v. t. [imp. & p. p. {Tethered}; p. pr. & vb. n. {Tethering}.] To confine, as an animal, with a long rope or chain, as for feeding within certain limits. [1913 Webster] And by a slender cord was tethered to a stone. Wordsworth. [1913… …   The Collaborative International Dictionary of English

  • tether — index fix (make firm), handcuff, restrict, trammel Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • tether — [[t]te̱ðə(r)[/t]] tethers, tethering, tethered 1) PHRASE: tether inflects, usu at PHR, v PHR If you say that you are at the end of your tether, you mean that you are so worried, tired, and unhappy because of your problems that you feel you cannot …   English dictionary

  • tether — I UK [ˈteðə(r)] / US [ˈteðər] verb [transitive] Word forms tether : present tense I/you/we/they tether he/she/it tethers present participle tethering past tense tethered past participle tethered to tie an animal or object to something so that it… …   English dictionary

  • tether — /ˈtɛðə / (say tedhuh) noun 1. a rope, chain, or the like, by which an animal is fastened, as to a stake, so that its range of movement is limited. 2. the utmost length to which one can go in action; the utmost extent or limit of ability or… …  

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