Search Result for "ascidian tadpole":
Wordnet 3.0

NOUN (1)

1. free-swimming larva of ascidians; they have a tail like a tadpole that contains the notochord; 



WordNet (r) 3.0 (2006):

ascidian tadpole
    n 1: free-swimming larva of ascidians; they have a tail like a
         tadpole that contains the notochord