Layer - Definition

n 1: single thickness of usually some homogeneous substance;
"slices of hard-boiled egg on a bed of spinach" [syn:
layer, bed]
2: a relatively thin sheetlike expanse or region lying over or
under another
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" [syn: level, layer, stratum]
4: a hen that lays eggs
5: thin structure composed of a single thickness of cells
v 1: make or form a layer; "layer the different colored sands"