Meaning & Definition
noun
A sheet, quantity, or thickness of material, typically one of several covering a surface or body.
The cake had a layer of chocolate frosting between each tier.
A level of material, typically found in stacks, or a stratum.
Geologists study the different layers of rock to understand the history of the Earth.
A protective or insulating covering.
The insulation forms a layer that helps keep the house warm in winter.
verb
To arrange in layers.
The technician will layer the data for better analysis.
To create or form layers.
She decided to layer the colors in her painting to create depth.
Etymology
Middle English 'leier', from Old French 'leier', from Latin 'leyre'.
Common Phrases and Expressions
layer of complexity:
A situation or issue that has multiple aspects or difficulties.
at another layer:
Referring to an additional level of consideration or understanding.
Slang Meanings
To layer up
I'm going to layer up before heading out in the cold.
Throwing layers
He was throwing layers of clothes on for the party.