<p><strong>Noun</strong></p><ul><li>a mark left by a healed wound, sore, or burn</li><li>a lasting aftereffect of trouble, especially a lasting psychological injury resulting from suffering or trauma</li><li>any blemish remaining as a trace of or resulting from injury or use</li><li>a mark indicating a former point of attachment, as where a leaf has fallen from a stem</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to mark with a scar</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>to form a scar in healing</li></ul>