[L. chorāgium, ad. Gr. χορηγεῖον, χορήγιον place where a chorus was trained, etc., f. χορηγός: see next.] The space in which a choral dance is performed, dancing-ground.
1682. Sir T. Browne, Chr. Morals, 99. Acquaint thy self with the choragium of the stars, and consider the vast expansion beyond them.