Interlining and Layer

• (n.) Correction or alteration by writing between the lines; interlineation.
• (p.pr.&vb.n.) of Interline.

noun

• Single thickness of usually some homogeneous substance.
  • usage: "slices of hard-boiled egg on a bed of spinach"
  • synonyms: bed
• A relatively thin sheetlike expanse or region lying over or under another.
• An abstract place usually conceived as having depth.
  • usage: "a good actor communicates on several levels"; "a simile has at least two layers of meaning"; "the mind functions on many strata simultaneously"
  • synonyms: level, stratum
• A hen that lays eggs.
• Thin structure composed of a single thickness of cells.

verb

• Make or form a layer.
  • usage: "layer the different colored sands"

• (n.) A shoot or twig of a plant, not detached from the stock, laid under ground for growth or propagation.
• (n.) One who or that which, lays.
• (n.) That which is laid; a stratum; a bed; one thickness, course or fold laid over another; as, a layer of clay or of sand in the earth; a layer of bricks or of plaster; the layers of an onion.
• (n.) An artificial oyster bed.