Simple Definition of shelf
: a flat board which is attached to a wall, frame, etc., and on which objects can be placed
geology : a flat area of rock, sand, etc., especially underwater
Full Definition of shelf
plural shelves play \ˈshelvz\
1a : a thin flat usually long and narrow piece of material (as wood) fastened horizontally (as on a wall) at a distance from the floor to hold objectsb : one of several similar pieces in a closet, bookcase, or similar structurec : the contents of a shelf <the author of a shelf of best sellers>
2 : something resembling a shelf in form or position: asa : a sandbank or ledge of rocks usually partially submergedb : a flat projecting layer of rockc : the submerged gradually sloping border of a continent or island : continental shelf
: available from stock : not made to order <off the shelf equipment>
: in a state of inactivity or uselessness
Examples of shelf
Put the vase on the shelf.
the top shelf of the kitchen cabinet
Will you get that book down off the shelf?
We don't have much shelf space.
Origin of shelf
Middle English, probably from Old English scylfe; akin to Old Norse hlīthskjalf Odin's seat
First Known Use: 14th century
Seen and Heard
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