Search Result for "homocercal": 
Wordnet 3.0

ADJECTIVE (1)

1. possessing a symmetrical tail that extends beyond the end of the vertebral column (as in most bony fishes);


The Collaborative International Dictionary of English v.0.48:

Homocercal \Ho`mo*cer"cal\, a. [Homo- + Gr. ? tail.] (Zool.) Having the tail nearly or quite symmetrical, the vertebral column terminating near its base; -- opposed to heterocercal. [1913 Webster]
WordNet (r) 3.0 (2006):

homocercal adj 1: possessing a symmetrical tail that extends beyond the end of the vertebral column (as in most bony fishes) [ant: heterocercal]