Lāb'y-rĭnth'o-dŏn, n.

n. [Gr. λαβύρινθος, labyrinth, and ὀδούς, tooth.] (Palæon.) A genus of extinct reptiles of a large size, so named from the labyrinthine texture of its tooth. They unite the form, and many of the characteristics, of the batrachians or frogs, with the scaly body of the saurian. Owen.