<p><strong>Adjective:</strong></p><ul><li>of or relating to the round preceding the final one in a tournament from which losers are eliminated.</li><li>(in boxing) of or relating to the second most important bout on a card, usually immediately preceding the main bout.</li></ul><p><strong>Noun:</strong></p><ul><li>a semifinal contest or round.</li><li>(in boxing) the second most important bout on a card.</li></ul>