'Chelonia' definitions:

Definition of 'Chelonia'

(from WordNet)
noun
Green turtles [syn: Chelonia, genus Chelonia]
noun
Tortoises and turtles [syn: Chelonia, order Chelonia, Testudinata, order Testudinata, Testudines, order Testudines]

Definition of 'Chelonia'

From: GCIDE
  • Chelonia \Che*lo"ni*a\ (k[-e]*l[=o]"n[i^]*[.a]), n. pl. [NL., fr. Gr. chelw`nh a tortoise.] (Zool.) An order of reptiles, including the tortoises and turtles, peculiar in having a part of the vertebr[ae], 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. [1913 Webster]