Search Result for "cheerleader": 
Wordnet 3.0

NOUN (2)

1. an enthusiastic and vocal supporter;
- Example: "he has become a cheerleader for therapeutic cloning"

2. someone who leads the cheers by spectators at a sporting event; 



WordNet (r) 3.0 (2006):

cheerleader
    n 1: an enthusiastic and vocal supporter; "he has become a
         cheerleader for therapeutic cloning"
    2: someone who leads the cheers by spectators at a sporting
       event