heterocercal fin, n.
a tail fin with unequal lobes in which the vertebral column turns upward into the larger lobe as in sharks
<noun.animal>
heterocercal fin
lexical pointers
antonym
semantic pointers
hypernym
Word
a tail fin with unequal lobes in which the vertebral column turns upward into the larger lobe as in sharks
<noun.animal>
heterocercal fin