/tel'euh stear"ee on'/ , n. , pl. telesteria /tel'i stear"ee euh/ .
(in ancient Greece) a building in which religious mysteries were celebrated.
[ telestérion place for initiation, equiv. to teles-, s. of teleîn to fulfill, initiate (see TELE- 2 ) + -terion neut. n. suffix denoting place ]