Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Shelf" Definition
noun
A flat, usually rectangular structure composed of a rigid material, such as wood, glass, or metal, fixed at right angles to a wall or other vertical surface and used to hold or store objects.
Source: American Heritage Dictionary
A reef, sandbar, or shoal.
Source: American Heritage Dictionary
Bedrock.
Source: American Heritage Dictionary
Something, such as a projecting ledge of rock or a balcony, that resembles such a structure.
Source: American Heritage Dictionary
The contents or capacity of such a structure.
Source: American Heritage Dictionary
idiom
Off the shelf From ready-made merchandise in stock: supplies that were available off the shelf.
Source: American Heritage Dictionary
On the shelf In a state of disuse.
Source: American Heritage Dictionary
On the shelf Out of circulation.
Source: American Heritage Dictionary
On the shelf Retired.
Source: American Heritage Dictionary
On the shelf Unemployed.
Source: American Heritage Dictionary
verb
Inform on (someone):.
Source: Oxford Dictionary