: 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
What made you want to look up shelf? Please tell us where you read or heard it (including the quote, if possible).
Take Our 10-Question Quiz
The commonly misspelled words quiz
How strong is your vocabulary?
The Vocab Quiz Game for iPhone & iPad
"Incredibly fun and addictive. And informative!" User Review, iTunes