Gavial \Ga"vi*al\, n. [Hind. ghariu?l: cf. F. gavial.] (Zo["o]l.) A large Asiatic crocodilian ({Gavialis Gangeticus}); -- called also {nako}, and {Gangetic crocodile}. Note: The gavial has a long, slender muzzle, teeth of nearly uniform size, and feet completely webbed. It inhabits the Ganges and other rivers of India. The name is also applied to several allied fossil species.