Ep'i-tha-lā'mi-ăm or Ep'i-thāl'a-my

[R.], n. [Gr. ἐπιθαλάμιον (sc. μέλος), from ἐπιθαλάμιος, belonging to a bridal, nuptial, from ἐπί and θάλαμος, bride-chamber, bridal bed, marriage; Lat. epithalamium, Fr. épithalame.] A nuptial song or poem in praise of the bride and bridegroom, and praying for their prosperity.

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