leash

Dog owners who live in the city need a leash, a rope or cord attached to the dog's collar that helps his owner keep him safe and restrained.

When you walk a dog, you hold his leash to guide him along the sidewalk and keep him from chasing squirrels into busy streets. The word leash is also useful for describing a figurative kind of guide or restraint: "The teachers at that school keep their students on a short leash when they take field trips downtown." The students aren't on actual leashes, but they are constrained. Leash comes from the Old French word laissier, or "loose."

Definitions of leash
  1. noun
    restraint consisting of a rope (or light chain) used to restrain an animal
    synonyms: lead, tether
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    type of:
    constraint, restraint
    a device that retards something's motion
  2. noun
    a figurative restraint
    “kept a tight leash on his emotions”
    “he's always gotten a long leash
    synonyms: collar
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    type of:
    restraint
    the act of controlling by restraining someone or something
  3. verb
    fasten with a rope
    synonyms: rope
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    type of:
    bind, tie
    fasten or secure with a rope, string, or cord
  4. noun
    the cardinal number that is the sum of one and one and one
    synonyms: 3, III, deuce-ace, tercet, ternary, ternion, terzetto, three, threesome, tierce, trey, triad, trine, trinity, trio, triplet, troika
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    type of:
    digit, figure
    one of the elements that collectively form a system of numeration
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