a., sb. Zool. [f. mod.L. Chilognatha sb. pl., name of the order, f. Gr. χεῖλος lip + γνάθ-ος jaw.] Belonging to, or a member of, an order of Myriapoda or Centipedes, with segmented bodies and heads furnished with two pairs of maxillæ, of which the second pair are united to form a lower lip.
1835. Kirby, Hab. & Inst. Anim., II. xvi. 74. The Chilognathans, in their young state come nearest to the insect or hexapod tribes.
1878. Bell, Gegenbaur’s Comp. Anat., 244. In the Chilognatha the second and third pairs are converted into a kind of lower lip.
