<p><strong>Noun:</strong></p><ul><li>The cottony fiber yielded by the silk-cotton tree.</li><li>Silk filaments with little or no twist, used in weaving as brocade or in embroidery.</li><li>Any silky, filamentous matter, as the silk of corn.</li><li>Dental floss.</li></ul><p><strong>Verb:</strong></p><ul><li>(used without object) To use dental floss on the teeth.</li><li>(used with object) To clean (the teeth) with dental floss.</li></ul>