syllabub means: A dessert made up primarily of sweetened whipped cream and flavoured with brandy or Cointreau. You can also add lemon zest, puree or fruit preserves to the cream. (in Cooking Dictionary)

What else does syllabub mean?

Drink made from sweetened milk, cream and wine mixed with spirits. (in Merlin Dictionary)

Cold dessert with sweetened cream and gelatin, beaten with wine or spirits, and served cold. (in Merlin Dictionary)