layer

n. thickness of some material that covers a surface; stratum, covering, bed; person or thing that lays; egg laying chicken; twig which is induced to root while still attached to the parent plant (Gardening)

v. induce a twig to root while still attached to the parent plant (Gardening); arrange in layers; cut in layers (as of hair)

Layer may refer to: A layer of dieposits found on archaeological excavation isolated as a single context in the stratigraphy of the siteA layer hen, a hen raised to produce eggs.In abstraction, a layer is an abstract place conceived as having depth.Stratum, a layer of rock or soil with internally consistent characteristics.Thermocline, a layer within a body of water where the temperature changes rapidly with depth.Layering, a technique for plant propagation.Layered hair, a popular hair styling technique.Layering (clothing), the wearing of multiple layers of clothing for practical or fashion purposes
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Layer /lay·er/ a stratum or lamina. bacillary layer l. of rods and cones. basal layer stratum basale. blastodermic layer germ l. [more]Layer - Community and Resources

Noun
1. single thickness of usually some homogeneous substance; "slices of hard-boiled egg on a bed of spinach"
(synonym) bed
(hypernym) sheet, flat solid
(hyponym) backing, mount
(part-holonym) laminate
2. a relatively thin sheetlike expanse or region lying over or under another
(hypernym) region, part
(hyponym) stratum
3. an abstract place usually conceived as having depth; "a good actor communicates on several levels"; "a simile has at least two layers of meaning"; "the mind functions on many strata simultaneously"
(synonym) level, stratum
(hypernym) place
4. a hen that lays eggs
(hypernym) hen, biddy
(derivation) lay
5. thin structure composed of a single thickness of cells
(hypernym) structure, anatomical structure, complex body part, bodily structure, body structure
(hyponym) blastoderm, germinal disc, blastodisc, germinal area
Verb
1. make or form a layer; "layer the different colored sands"
(hypernym) form

(n.)
That which is laid; a stratum; a bed; one thickness, course, or fold laid over another; as, a layer of clay or of sand in the earth; a layer of bricks, or of plaster; the layers of an onion.
  

(n.)
One who, or that which, lays.
  

(n.)
An artificial oyster bed.
  

(n.)
A shoot or twig of a plant, not detached from the stock, laid under ground for growth or propagation.