<p><strong>Noun</strong></p><ul><li>an iron for pressing clothes or fabric, especially an old-fashioned, nonelectric one made of cast iron and heated on a woodstove</li><li>an electric device for straightening or styling hair by pulling it between two flat, heated surfaces</li><li>a cut of beef taken from the chuck, or front shoulder</li><li>a building that is triangular in shape (usually used attributively)</li><li>Geology: a long, triangular, crested ridge that resembles an iron resting on its base</li></ul><p><strong>Verb</strong> (used with object)</p><ul><li>to style (hair) with a flat iron</li></ul>