<p><strong>Noun</strong></p><ul><li>a large drinking cup or glass with a wide mouth.</li><li>contents of a beaker: consuming a beaker of beer at one gulp.</li><li>a flat-bottomed cylindrical container, usually with a pouring lip, especially one used in a laboratory.</li></ul><p><strong>Adjective</strong></p><ul><li>(initial capital letter) of or relating to the Beaker folk.</li></ul>