<p><strong>Noun:</strong></p><ul><li>The art or practice of wearing costumes to portray characters from fiction, especially from manga, animation, and science fiction.</li><li>A skit featuring these costumed characters.</li></ul><p><strong>Verb:</strong></p><ul><li>(used with object) To portray (a fictional character) by dressing in costume.</li><li>(used without object) To take part in cosplay: He cosplayed as a Jedi from Star Wars.</li></ul>