The definition of a shelf is a flat, horizontal piece of wood for holding items.(noun)
An example of a shelf is where books are kept in the library.
See shelf in Webster's New World College Dictionary
noun pl. shelves
Origin: ME, prob. < MLowG schelf, akin to OE scylf, shelf, ledge < IE *skelp < base *(s)kel-, to cut > half
See shelf in American Heritage Dictionary 4
noun pl. shelves shelves (shĕlvz)
Origin: Middle English
Origin: , probably from Middle Low German schelf; see skel-1 in Indo-European roots.
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