n.
An activity that occupies one's spare time pleasantly: Sailing is her favorite pastime.
[Middle English passe tyme, translation of French passe temps : passer, to pass + temps, time.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.