The Collaborative International Dictionary of English v.0.48:
Hymeneal \Hy`me*ne"al\, Hymenean \Hy`me*ne"an\, a. [L. hymeneius, a., also Hymenaeus, n., Hymen, Gr. ? the wedding song, also ? Hymen: cf. F. hym['e]n['e]al, hym['e]n['e]en.] Of or pertaining to marriage; as, hymeneal rites. --Pope. HymenealThe Collaborative International Dictionary of English v.0.48:
Hymeneal \Hy`me*ne"al\, Hymenean \Hy`me*ne"an\, n. A marriage song. --Milton. [1913 Webster]