Ledge \Ledge\ (l[e^]j), n. [Akin to AS. licgan to lie, Icel. liggja; cf. Icel. l["o]gg the ledge or rim at the bottom of a cask. See Lie to be prostrate.]

[Formerly written lidge.]

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. --Sir H. Wotton.

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.

Source: Webster's Revised Unabridged Dictionary (1913)