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English definition of “layer”

layer

noun [C]  /ˈleɪ·ər/ us  
a thin sheet of a substance on top of a surface, or a level of material that is different from the material on either side: We put on two layers of paint. The road was built up with layers of crushed stone and asphalt.
layered
adjective /ˈleɪ·ərd/
Her hair is long and fluffily layered.

layer

verb [T] /ˈleɪ·ər/
to arrange something in layers: Layer the pasta with slices of tomato.
(Definition of layer from the Cambridge Academic Content Dictionary © Cambridge University Press)
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