<p><strong>Noun</strong></p><ul><li>(in India) a banker or money-changer.</li><li>(in East Asia, especially China) a local expert employed to test the purity of a coin’s metal content, especially silver or gold.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) to test (coins) to ascertain the purity of the metal content, especially silver or gold.</li></ul>