halftime

from WordNet (r) 3.0 (2006)

halftime
    n 1: an intermission between the first and second half of a game

from The Collaborative International Dictionary of English v.0.48

halftime \half"time`\ n.
   an intermission between the first and second half of a game,
   especially a football game. Also used attributively, as the
   halftime entertainment
   [WordNet 1.5 +PJC] Half tone