Webster’s Revised Unabridged Dictionary · 1913
Procœlia
Pro·cœ′li·a, n.; pl. Procœliæ. [ NL.] (Anat.) Same as Procœle.
Pro·cœ′li·a, n. pl. [NL.] (Zoöl.) A division of Crocodilia, including the true crocodiles and alligators, in which the dorsal vertebræ are concave in front.