(in fishes) either of a pair of fins on the lower surface of the body, corresponding to the hind limbs of a land vertebrate; ventral fin.
[ 1905-10 ]
(in fishes) either of a pair of fins on the lower surface of the body, corresponding to the hind limbs of a land vertebrate; ventral fin.
[ 1905-10 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012