<p><strong>Noun</strong></p><ul><li>The festival season from Christmas to after New Year's Day.</li><li>The period from Christmas Eve to Epiphany, especially in England.</li></ul><p><strong>Adjective</strong></p><ul><li>Of or relating to Christmas; made or displayed for Christmas: a Christmas movie for the whole family.</li><li>Six batches of Christmas cookies; a Christmas movie for the whole family.</li></ul>