Young Offender: Young persons who, in many states, are treated differently than adult criminals and are tried in special youth courts. See the complete Legal Definition of Young Offender

Yellow Dog Contract: A name given in American labor law to contract of employment by which the employee promises not to join a union or agrees to forfeit employment if he/she joins a union during the period of employment. See the complete Legal Definition of Yellow Dog Contract

York-Antwerp Rules: A set of internationally-accepted rules, first published in 1890, proposing points of detail in the application of the maritime law principle of general average. See the complete Legal Definition of York-Antwerp Rules

Yukky: Distasteful or contemptible. See the complete Legal Definition of Yukky