WordNet (r) 3.0 (2006):

TV dinner
    n 1: a meal that is prepared in advance and frozen; can be
         heated and served

Moby Thesaurus II by Grady Ward, 1.0:

27 Moby Thesaurus words for "TV dinner":
   alfresco meal, barbecue, breakfast, brunch, buffet supper,
   clambake, coffee break, cookout, diner, dinner, elevenses,
   fish fry, high tea, hot luncheon, lunch, luncheon, mash,
   meat breakfast, petit dejeuner, picnic, supper, tea, tea break,
   teatime, tiffin, wiener roast, wienie roast