Listy-Bed

(UK, mining) The layer of sedimentary rock underlying a coal seam.

Any of the stones making up the top layer of a wall; a coping stone.

' [Je'1-ston.] Slate-stone ; a roofing-slate. Dev. (Hall.), Cor.' (s.v. Shale-stone), Cor.^ Cf. shelyng-stone.

(heading) A horizontal layer or surface.