[1] : The Collaborative International Dictionary of English v.0.48

ballerina \ballerina\ n.
   a female ballet dancer.

   syn: danseuse.
        wordnet 1.5

[2] : WordNet (r) 2.0

ballerina
     n : a female ballet dancer syn: danseuse
see also:
danseuse 

[3] : Moby Thesaurus II by Grady Ward, 1.0

23 moby thesaurus words for "ballerina":
   ballet dancer, ballet girl, ballroom dancer, choral dancer,
   chorus boy, chorus girl, clog dancer, coryphee, dancer,
   dancing girl, danseur, danseur noble, danseuse, figurant,
   figurante, geisha, geisha girl, heel-and-toe dancer, hoofer,
   hula girl, nautch girl, square-dancer, terpsichorean

Ballerina >> B Words
Ballerina, definition of term: Ballerina
ballerina_pag1.html

Prima Ballerina >> P Words
Prima Ballerina, definition of term: Prima Ballerina
prima+ballerina_pag1.html