<p><strong>Noun</strong></p><ul><li>any fabric woven of differently colored yarns in a crossbarred pattern</li><li>a pattern of this kind</li><li>a long, rectangular piece of cloth, usually with such a pattern and worn across the left shoulder by Scottish Highlanders</li></ul><p><strong>Adjective</strong></p><ul><li>having the pattern of a plaid</li></ul>