layer

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layer

1. 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
2. a laying hen
3. Horticulture
a. a shoot or branch rooted during layering
b. a plant produced as a result of layering

layer

[′lā·ər]
(computer science)
One of the divisions within which components or functions are isolated in a computer system with layered architecture or a communications system with layered protocols.
(geology)
A tabular body of rock, ice, sediment, or soil lying parallel to the supporting surface and distinctly limited above and below.
(geophysics)
One of several strata of ionized air, some of which exist only during the daytime, occurring at altitudes between 30 and 250 miles (50 and 400 kilometers); the layers reflect radio waves at certain frequencies and partially absorb others.
(metallurgy)
The stratum of weld metal consisting of one or more passes and lying parallel to the welding surface.

course

course, 1
1. A layer of masonry units running horizontally in a wall or, much less commonly, curved over an arch; it is bonded with mortar.
2. A continuous row or layer of material, as shingles, tiles, etc.

layer

layer

(1) One of several "drawing boards" or "canvasses" for creating elements in a picture. See layers and flatten layers.

(2) One of several levels in a communications protocol. See OSI.
References in classic literature ?
The nape of his gross neck became crimson above the velvet collar of his overcoat.
Yesterday morning he set off for this place on his bicycle, with his gun concealed in his overcoat.
Beside her, in a cloud of cigar-smoke, stood the owners of the two overcoats, both in morning clothes that they had evidently not taken off since morning.
Abhishek, wearing black overcoat and grey turtle-neck sweater, was also spotted with Aishwarya.
OVERCOAT OF THE STARS The quintessential British clothes retailer Aquascutum was founded in 1851 by tailor John Emary.
com/research/223024/mens_and_boys_cu) has announced the addition of Supplier Relations US, LLC's new report "Men's and Boys' Cut and Sew Suit, Coat, and Overcoat Manufacturing Industry in the U.
This week, as politicians hurl abuse at the Murdoch empire, I cannot but think of Mr Attlee's overcoat.
SURPRISING SHOW From left, Dave Prile, Natalie Ayton, Vinicins Salles, performers from theatre group Gecko who donned their stage costumes and make-up on the streets of Newcastle to promote The Overcoat which is on at Northern Stage
Dressed in a blue suit and tie, a brown overcoat and red trainers the actor who recently won the award for most popular actor at the National Television Awards looked cold as he hung around between takes.
Danny is now reported to be making a good recovery and Moss Bros decided that they would donate the overcoat to Playhouse, to be given to him as a souvenir of the part he never played.
Mourinho opted for his trademark dark overcoat and scarf.
Motson, famous for his meticulous research and attention to detail in his commentating, said: "Jose Mourinho gets a lot of attention for his overcoat and many people think that my sheepskin is very much from the oldschool of the game.