Definition of "epithalamium"

Softly she laughed and sighed, and swift her glances flew. She shook her heavy tresses, and their perfume filled the place; she struck her little sandalled foot upon the floor, and hummed a snatch of some old Greek epithalamium.

1886 October – 1887 January, H[enry] Rider Haggard, She: A History of Adventure, London: Longmans, Green, and Co., published 1887

He has wittily redone a tardy epithalamium and some nursery rhymes ("Three blind eunuchs"), and deftly catches the cozy lawnfuls of plastic dwarfs and flamingos, outside the kenneled people.

1976, Choice - Volume 13, Issues 8-12, page 1300