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layer

[ley-er]
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noun
  1. a thickness of some material laid on or spread over a surface: a layer of soot on the window sill; two layers of paint.
  2. bed; stratum: alternating layers of basalt and sandstone.
  3. a person or thing that lays: a carpet layer.
  4. a hen kept for egg production.
  5. one of several items of clothing worn one on top of the other.
  6. Horticulture.
    1. a shoot or twig that is induced to root while still attached to the living stock, as by bending and covering with soil.
    2. a plant so propagated.
  7. Ropemaking. a machine for laying rope or cable.
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verb (used with object)
  1. to make a layer of.
  2. to form or arrange in layers.
  3. to arrange or wear (clothing) in layers: You can layer this vest over a blouse or sweater.
  4. Horticulture. to propagate by layering.
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verb (used without object)
  1. to separate into or form layers.
  2. (of a garment) to permit of wearing in layers; be used in layering: Frilly blouses don't layer well.
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Origin of layer

First recorded in 1350–1400, layer is from the Middle English word leyer, legger. See lay1, -er1
Related formslay·er·a·ble, adjectivein·ter·lay·er, nounin·ter·lay·er, verb (used with object)non·lay·ered, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

protect, coat, blanket, shroud, enclose, dress, bury, stratified, layered, plate, layer, separate, flake, face, foil, split, exfoliate, stratify, veneer, foliate

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British Dictionary definitions for layered

layer

noun
  1. 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
  4. horticulture
    1. a shoot or branch rooted during layering
    2. a plant produced as a result of layering
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verb
  1. to form or make a layer of (something)
  2. to take root or cause to take root by layering
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Word Origin

C14 leyer, legger, from lay 1 + -er 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for layered

layer

v.

1832, from layer (n.). Related: Layered; layering.

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layer

n.

late 14c., "one who or that lays" (especially stones, "a mason"), agent noun from lay (v.). Passive sense of "that which is laid over a surface" first recorded 1610s, but because earliest English use was in cookery, this is perhaps from French liue "binding," used of a thickened sauce. Layer cake attested from 1881.

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Online Etymology Dictionary, © 2010 Douglas Harper

layered in Medicine

layer

(lāər)
n.
  1. A single thickness of a material covering a surface or forming an overlying part or segment.
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v.
  1. To divide or form into layers.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.