A thong of leather, or a long cord, by which a falconer holds his hawk, or a courser his dog.
- 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.
- Control or restraint: emotions kept in leash.
- A set of three animals, such as hounds.
- A set of three.
- To restrain with or as if with a leash.