layer

noun

1.
single thickness of usually some homogeneous substance
bed
Derived from:
layer
2.
a relatively thin sheetlike expanse or region lying over or under another
ligger
Derived from:
layer
3.
an abstract place usually conceived as having depth
level stratum
Derived from:
layer
4.
a hen that lays eggs
Derived from:
lay
5.
thin structure composed of a single thickness of cells
Derived from:
layer