Shelf

n.	1.	(Arch.) A flat tablet or ledge of any material set horizontally at a distance from the floor, to hold objects of use or ornament.
	2.	A sand bank in the sea, or a rock, or ledge of rocks, rendering the water shallow, and dangerous to ships. On the tawny sands and shelves. - Milton. On the secret shelves with fury cast. - Dryden.
	3.	(Mining) A stratum lying in a very even manner; a flat, projecting layer of rock.
	4.	(Naut.) A piece of timber running the whole length of a vessel inside the timberheads. To lay on the shelf to lay aside as unnecessary or useless; to dismiss; to discard.

Noun	1.	shelf - a support that consists of a horizontal surface for holding objects
	2.	shelf - a projecting ridge on a mountain or submerged under water Synonyms: ledge

shelf - A public library of classes for the Eiffel language.

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