Ledge
Ledge (lej) , noun
[Akin to Anglo-Saxon licgan to lie, Icelandic liggja; compare Icelandic logg the ledge or rim at the bottom of a cask. See Lie to be prostrate.]
1.
A shelf on which articles may be laid; also, that which resembles such a shelf in form or use, as a projecting ridge or part, or a molding or edge in joinery.
2.
A shelf, ridge, or reef, of rocks.
3.
A layer or stratum.
The lowest ledge or row should be of stone.
4.
(Mining) A lode; a limited mass of rock bearing valuable mineral.
5.
(Shipbuilding) A piece of timber to support the deck, placed athwartship between beams.