<p><strong>Verb</strong></p><ul><li>(Used with object) To close (the hands, teeth, etc.) tightly.</li><li>To grasp firmly; grip.</li><li>Synonyms: clutch, clasp.</li><li>To secure (a nail, screw, etc.) in position by beating down the protruding point.</li><li>To fasten (objects) together by nails, screws, etc., secured in this manner.</li><li>Nautical: to fasten by a clinch.</li></ul><p><strong>Noun</strong></p><ul><li>The act of clinching.</li><li>A tight hold; grip.</li><li>Something that clinches or holds fast.</li></ul>