leash

leash [ leesh ]
[ noun, transitive verb ]

MEANING :
1. (n.) strap attached to the collar or harness of an animal
2. (n.) a restraint or control
3. (n.) a threesome or a group of three
4. (tr. v.) to restrain or control
5. (tr. v.) to connect, associate or bind together

USAGE EXAMPLE 1 :
When walking the dog in the park, he always kept it on a short leash.

USAGE EXAMPLE 2 :
The pit bull terrier was not on a leash at the time of the attack.