Defn: An order of reptiles, including the tortoises and turtles, perculiar in having a part of the vertebræ, ribs, and sternum united with the dermal plates so as to form a firm shell. The jaws are covered by a horny beak. See Reptilia; also, Illust. in Appendix.

CHELONIAN
Che*lo"ni*an, a. (Zoöl.)

Defn: Of or pertaining to animals of the tortoise kind.
— n.

Defn: One of the Chelonia.

CHELURA
Che*lu"ra, n. Etym: [NL., fr. Gr. (Zoöl.)

Defn: A genus of marine amphipod crustacea, which bore into and sometimes destroy timber.

CHELY
Che"ly, n.

Defn: A claw. See Chela. [Obs.]

CHEMIC
Chem"ic, n. Etym: [See Chenistry.]

1. A chemist; an alchemist. [Obs.]