Wordnet 3.0
NOUN (1)
1. 
 time for play or diversion; 
[syn: playtime, playday]
The Collaborative International Dictionary of English v.0.48:
Playtime \Play"time`\, n.
   Time for play or diversion.
   [1913 Webster]
WordNet (r) 3.0 (2006):
playtime
    n 1: time for play or diversion [syn: playtime, playday]