carnival in WordNet English dictionary

1. a festival marked by merrymaking and processions
   carnival 
   
2. a traveling show; having sideshows and rides and games of skill etc.
   carnival  fair  funfair 
   
3. a frenetic disorganized (and often comic) disturbance suggestive of a large public entertainment
   "it was so funny it was a circus"; "the whole occasion had a carnival atmosphere"
   circus  carnival