syl·la·bub also sil·la·bub 
(sĭlə-bŭb′)
(sĭlə-bŭb′)n.
1. A drink made of sweetened milk or cream curdled with wine or spirits.
2. A cold dessert made with sweetened cream thickened with gelatin and beaten with wine, spirits, or fruit juice.
[Origin unknown.]