dacquoise means: Layered with buttercream or whipped cream, a cake made from nut meringues. Dacquoise is also used to describe nut meringue discs. (in Cooking Dictionary)

What else does dacquoise mean?

Layers of buttercream or whipped cream on a cake. (in Merlin Dictionary)

This cake has one layer of meringue. (in Merlin Dictionary)