floating island

Meanings

1. An aggregation of driftwood and roots, or vegetation, capable of bearing soil, which floats on the surface of (bog or lake) water or is floated out from a river delta or similar.
2. A French cold dessert consisting of an "island" of meringue, made of egg whites and sugar, floating in a "sea" of custard.
3. Synonym of kitchen island.

Etymology

Calque of French île flottante.