n.
(献给新郎新娘的)新婚颂诗(epsthalanium的复数形式)

Epithalamium \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.