The meaning of LAYER is one that lays something (such as a worker who lays brick or a hen that lays eggs). How to use layer in a sentence.

LAYER definition: a thickness of some material laid on or spread over a surface. See examples of layer used in a sentence.

n. 1. a. One that lays: a tile layer. b. A hen kept for laying eggs. 2. a. A single thickness of a material covering a surface or forming an overlying part or segment: a layer of dust on the windowsill; a cake …

(Definition of layer from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

The noun layer describes a thin piece that's stacked on other thin pieces, like a layer of noodles in a lasagna dish. You can also apply a layer of paint to make your wall color more vivid. Layer can also …

Definition of layer noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Jan 29, 2026 · Noun layer (plural layers) A single thickness of some material covering a surface.