<p><strong>Noun</strong></p><ul><li>(in the Bible) the second son of Adam and Eve, slain by his brother, Cain</li><li>Sir Frederick Augustus, 1827–1902, English chemist: inventor of cordite</li><li>I. W., 1908–87, U.S. labor leader: president of the United Steelworkers of America 1965–77</li><li>Niels Henrik, 1802–29, Norwegian mathematician</li><li>a first name</li></ul>