<p><strong>Noun</strong></p><ul><li>a jail, especially a local one for temporary detention.</li><li>the act of locking up or the state of being locked up.</li><li>a temporary imprisonment or detention, as of suspects or prisoners.</li><li>a stock that has been held by an individual as a long-term investment, or that a brokerage firm is required by a regulation to hold for a certain period of time before it can be sold.</li><li>any investment or credit instrument, as a renewed loan, in which capital is tied up for a long time.</li><li>Printing: the entire body of type and cuts locked up in a chase preparatory to printing or platemaking.</li><li>the act or procedure of locking up type and cuts in a chase.</li><li>Automotive: a sudden stopping of the rotation of a wheel.</li><li>British Informal: a rented locker, storage space, or garage.</li></ul>