chilognatha

from The Century Dictionary.

• An order of the class Myriapoda; the myriapods or millepeds proper, or thousand-legs.

from the GNU version of the Collaborative International Dictionary of English.

• noun plural (Zoöl.) 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.