<p><strong>Noun</strong></p><ul><li>a person, usually a married or older woman, who, for propriety, accompanies a young unmarried woman in public or who attends a party of young unmarried men and women.</li><li>Synonyms: escort.</li><li>any adult present in order to maintain order or propriety at an activity of young people, as at a school dance.</li><li>a round headdress of stuffed cloth with wide cloth streamers that fall from the crown or are draped around it, worn in the 15th century.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) to attend or accompany as chaperone.</li><li>Synonyms: escort.</li><li>(used without object) to act as chaperone.</li></ul>