layer cake

noun — 2 senses

layer cake

noun

Etymology From layer + cake, named for its appearance, coined c. 1873.

1

A cake consisting of multiple stacked sheets of cake, held together by frosting or jam, etc.

2

A type of layering of materials, used in some nuclear bombs.

Derived terms
layer cake federalism

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.