leash

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A chain, rope, or strap attached to the collar or harness of an animal, especially a dog, and used to lead it or hold it in check.
2. n. Control or restraint: emotions kept in leash.
3. n. A set of three animals, such as hounds.
4. n. A set of three.
5. v. To restrain with or as if with a leash.

Century Dictionary and Cyclopedia

1. n. A band, lace, or thong; a snare.
2. n. Especially— The line used to hold hounds or coursing-dogs until the time comes to set them on the game.
3. n. A pack of hounds.
4. n. A light line used to give the falcon a short flight without releasing her altogether. It is secured to the varvels on the bird's ankle.
5. n. Among sportsmen, a brace and a half; three creatures of any kind, especially greyhounds, foxes, bucks, or hares; hence, three things in general.
6. n. In weaving, one of the threads, cords, or wires extending between the parallel bars or shafts of the heddles and having a loop or eye in the middle for the reception of a warp-thread. See heddle.
7. To bind or secure by a leash.
8. n. In physiology, an aggregation of similar cord-like structures, such as fibers, nerves, blood-vessels, etc.

Wiktionary

1. n. A strap, cord or rope with which to restrain an animal, often a dog.
2. n. A brace and a half; a tierce.
3. n. A set of three; three creatures of any kind, especially greyhounds, foxes, bucks, and hares; hence, the number three in general.
4. n. A string with a loop at the end for lifting warp threads, in a loom.
5. n. surfing A leg rope.
6. v. To fasten or secure with a leash.
7. v. figuratively to curb, restrain

GNU Webster's 1913

1. n. A thong of leather, or a long cord, by which a person may hold or restrain an animal, such as a falconer holding his hawk, or a courser his dog. For dogs and cats, the leash is commonly attached to a collar around the neck of the animal.
2. n. (Sporting) A brace and a half; a tierce; three; three creatures of any kind, especially greyhounds, foxes, bucks, and hares; hence, the number three in general.
3. n. (Weaving) A string with a loop at the end for lifting warp threads, in a loom.
4. v. To tie together, or hold, with a leash.

WordNet 3.0

1. n. restraint consisting of a rope (or light chain) used to restrain an animal
2. n. a figurative restraint
3. v. fasten with a rope
4. n. the cardinal number that is the sum of one and one and one