[f. L. eleusīni-us (Gr. ἐλενσίνιος) belonging to Eleusis + -AN.] Belonging to Eleusis in Attica. Eleusinian mysteries: the mysteries of Demeter there celebrated; also fig. Hence Eleusinianism (nonce-wd.).
1643. Milton, Divorce, Wks. 1738, I. 190. Eleusinian Mysteries, that no man can utter what they mean.
18414. Emerson, Ess., xx. Wks. (Bohn), I. 250. The Eleusinian mysteries show that there always were seeing and knowing men in the planet.
1857. Chamb. Jrnl., VII. 226. The eleusinianism of bonnetdom.