Source : Webster's Revised Unabridged Dictionary (1913)

Chilognatha \Chi*log"na*tha\, n. pl. [NL., fr. Gr. ? lip +
   gna`qos Jaw.] (Zo["o]l.)
   One of the two principal orders of myriapods. They have
   numerous segments, each bearing two pairs of small, slender
   legs, which are attached ventrally, near together.