‖n.;
‖ n. pl. [ NL. ] (Zool.) A division of Crocodilia, including the true crocodiles and alligators, in which the dorsal vertebræ are concave in front. [ 1913 Webster ]
a. [ See Procœle. ] (Anat & Zool.) Concave in front;
n. (Zool.) A reptile having procœlian vertebræ; one of the Procœlia. [ 1913 Webster ]