<p><strong>Noun:</strong></p><ul><li>A cardinal number, 10 plus 2.</li><li>A symbol for this number, as 12 or XII.</li><li>A set of this many persons or things.</li><li>The Twelve, the 12 apostles chosen by Christ.</li></ul><p><strong>Adjective:</strong></p><ul><li>Amounting to 12 in number.</li></ul>