Procoelia \Pro*c[oe]"li*a\, n.; pl. {Proc[oe]li[ae]}. [ NL.] (Anat.) Same as {Proc[oe]le}. Procoelia \Pro*c[oe]"li*a\, n. pl. [NL.] (Zo["o]l.) A division of Crocodilia, including the true crocodiles and alligators, in which the dorsal vertebr[ae] are concave in front.