shelf

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Related to on the shelf: off the shelf, shelf life

shelf

1. a projecting layer of ice, rock, etc., on land or in the sea
2. Archery the part of the hand on which an arrow rests when the bow is grasped
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

shelf

[shelf]
(geology)
Solid rock beneath alluvial deposits.
A flat, projecting ledge of rock.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

shelf

1. A flat surface mounted horizontally, used to support or store objects.
2. Any projecting, flat, near-horizontal surface, such as a ledge of rock.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

shelf

A public library of classes for the Eiffel language.
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