<p><strong>Noun</strong></p><ul><li>a chain, strap, etc., for controlling or leading a dog or other animal; lead.</li><li>check; curb; restraint: a tight leash on one's subordinates.</li><li>a brace and a half, as of foxes or hounds.</li></ul><p><strong>Verb</strong></p><ul><li>to secure, control, or restrain by or as if by a leash: to leash water power for industrial use.</li><li>to bind together by or as if by a leash; connect; link; associate.</li></ul>