Prothalamium is a Greek term used to describe a preliminary song or poem sung or recited at a wedding. Other synonyms for prothalamium include nuptial ode, bridal hymn, wedding poem, marriage song, and wedding verse. These terms are often used interchangeably in literature and poetry to describe the same concept of a song or poem performed at a wedding ceremony. The prothalamium is meant to be a celebration of love and union between the newlyweds, and is often composed with imagery and symbolism related to wedding traditions and rituals. Its purpose is to set the mood for the rest of the wedding celebration and to evoke feelings of happiness and joy.