\Ep`i*tha*la"mi*um\, n.; pl. {Epithalamiums}, L.
{Epithalamia}. [L., fr. Gr. ?, orig. an adj., nuptial; 'epi`
upon, at + ? bride chamber.]
A nuptial song, or poem in honor of the bride and bridegroom.

      The kind of poem which was called epithalamium . . .
      sung when the bride was led into her chamber. --B.
                                               Jonson.