<p><strong>Noun</strong></p><ul><li>The act of registering.</li><li>An instance of this.</li><li>An entry in a register.</li><li>The group or number registered.</li><li>An official act of registering one's name in the list of qualified voters.</li><li>A certificate attesting to the fact that someone or something has been registered: a boat registration.</li><li>Music. The act or technique of registrating.</li><li>The selection of stops made by an organist for a particular piece.</li></ul>