mechanical device used to wind another device that is driven by a spring (as a clock)
pitch of the voice; "he spoke in a low key"
something crucial for explaining; "the key to development is economic integration"
serving as an essential component;
a generic term for any device whose possession entitles the holder to a means of access; "a safe-deposit box usually requires two keys to open it"
a list of words or phrases that explain symbols or abbreviations
a list of answers to a test; "some students had stolen the key to the final exam"
any of 24 major or minor diatonic scales that provide the tonal framework for a piece of music
(basketball) a space (including the foul line) in front of the basket at each end of a basketball court; usually painted a different color from the rest of the court; "he hit a jump shot from the top of the key"; "he dominates play in the paint"