<p><strong>Noun</strong></p><ul><li>an elevated place or structure, as a mound or platform at which religious rites are performed or on which sacrifices are offered to gods, ancestors, etc.</li><li>Ecclesiastical. communion table.</li><li>Altar, Astronomy. the constellation Ara.</li><li>(in a dry dock) a ledge for supporting the feet of shorings.</li></ul>