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  1. Dictionary
    layer
    /ˈleɪə/

    noun

    • 1. a sheet, quantity, or thickness of material, typically one of several, covering a surface or body: "arrange a layer of aubergines in a dish"
    • 2. a person or thing that lays something: "the majority of fish are egg-layers"

    verb

    • 1. arrange in a layer or layers: "in an ovenproof dish layer the potato and courgette slices"
    • 2. propagate (a plant) as a layer.

    More definitions, origin and scrabble points

  2. a level of material, such as a type of rock or gas, that is different from the material above or below it, or a thin sheet of a substance: the ozone layer. A thick layer of clay lies over the sandstone. There was a thin layer of oil on the surface of the water. We stripped several layers of paint off the door. Fewer examples.

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

  4. 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.

  5. lay·er. (lā′ər) 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 with four layers. b. A usually horizontal deposit or expanse; a stratum: layers of sedimentary rock; a layer of warm air. c.

  6. a thickness of some homogeneous substance, such as a stratum or a coating on a surface. 2. one of four or more levels of vegetation defined in ecological studies: the ground or moss layer, the field or herb layer, the shrub layer, and one or more tree layers. 3. a laying hen.

  7. 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 be used figuratively to describe an abstract thickness or barrier.

  8. LAYER definition: an amount of a substance covering a surface, or one of several amounts of substance, each on top of…. Learn more.