n.; pl.Epithalamiums L. Epithalamia [ L., fr. Gr. &unr_; , orig. an adj., nuptial; 'epi` upon, at + &unr_; bride chamber. ] A nuptial song, or poem in honor of the bride and bridegroom. [ 1913 Webster ]
The kind of poem which was called epithalamium . . . sung when the bride was led into her chamber. B. Jonson. [ 1913 Webster ]