Single thickness of usually some homogeneous substance.

synonym: bed.

Roget 204: layer, stratum, strata, course, bed, zone, substratum, substrata, floor, flag, stage, story, tier, slab, escarpment; table, tablet; dess^†; flagstone; board, plank; trencher, platter.    plate; lamina, lamella; sheet, foil; wafer; scale, flake, peel; coat, pellicle; membrane, film; leaf; slice, shive^†, cut, rasher, shaving, integument etc. (covering) 223; eschar^†.    stratification, scaliness, nest of boxes, coats of an onion.    monolayer; bilayer; trilayer [Bioch.].    ... show more

Roget 204: layer, stratum, strata, course, bed, zone, substratum, substrata, floor, flag, stage, story, tier, slab, escarpment; table, tablet; dess^†; flagstone; board, plank; trencher, platter.    plate; lamina, lamella; sheet, foil; wafer; scale, flake, peel; coat, pellicle; membrane, film; leaf; slice, shive^†, cut, rasher, shaving, integument etc. (covering) 223; eschar^†.    stratification, scaliness, nest of boxes, coats of an onion.    monolayer; bilayer; trilayer [Bioch.].    ... show more

A relatively thin sheetlike expanse or region lying over or under another.

Dutch: film, laag, luchtlaag, sfeer
Polish: warstwa

An abstract place usually conceived as having depth:
— A simile has at least two layers of meaning.

synonyms: level, stratum.

Dutch: laag
Polish: warstwa

A hen that lays eggs.

Dutch: legster, legger, laag
Polish: nioska

Thin structure composed of a single thickness of cells.

Make or form a layer.