Plēe'tog-nāthes or Plee-tōg'na-thī, n. pl.

n. pl. [N. Lat., Fr. plectognathes, from Gr. πλεκτός, twisted, from πλέκειν, to plait, twist, and γνάθης, jaw.] (Ichth.) An order of fishes having the maxillary bones stiffly adhering to the sides of the intermaxillaries, which alone form the jaws, as the file-fish. [Written also plectognaths.]