from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of, relating to, or belonging to the order Chelonia, which includes the turtles and tortoises.
  • n. A reptile of the order Chelonia.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of, relating to, or belonging to the order Chelonia (Testudines), which includes the turtles and tortoises.
  • n. A reptile of the order Chelonia (Testudines)

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of or pertaining to animals of the tortoise kind.

from The Century Dictionary and Cyclopedia

  • Of, pertaining to, or having the characters of the Chelonia; testudinate.
  • n. One of the Chelonia or Testudinata; a turtle or tortoise.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. of or relating to or resembling or being a turtle or tortoise
  • n. a reptile of the order Chelonia


From New Latin Chelōnia, order name, from Greek khelōnē, tortoise.
(American Heritage® Dictionary of the English Language, Fourth Edition)


  • She was the oldest living chelonian and the only living creature to have met Charles Darwin and traveled aboard the Beagle.

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  • The “superb specimen of a chelonian” was no longer there!

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  • [1] The glyptodon and armadillo are mammalian; the tortoise is a chelonian, a reptile, distinct classes of the animal kingdom; therefore the latter cannot be a representative of the former.

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  • "Contempt will pierce the armor of a tortoise," says an oriental proverb; and poor Ragni had no chelonian armor.

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  • However, this is not the most general use to which the chelonian eggs are put in the provinces of Amazones and Para.

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  • But these wall cases are mainly devoted to the exhibition of chelonian, or tortoise fossils, which are the highest class of fossil reptiles, except the serpents, and found only in the later or oolite formations of the earth.

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  • The first three wall cases are devoted to the batrachian or Frog fossils; some of the chelonian or Tortoise fossils; and the fossil crocodiles.

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  • At intervals, the turtle-catcher would look to his line; and when the extra strain upon it proved that the _remora_ was _en rapport_ with a turtle, he would haul in, until the huge _chelonian_ was brought within striking distance of his heavy club; and thus would the capture be effected.

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  • The ploughshare tortoise Astrochelys yniphora is one of four highly threatened Madagascan chelonian species, a group that includes turtles, tortoises and terrapins.

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  • I was blown away and knew that one of those egg laying, chelonian, testudinines was going to have to make their way onto our pages no matter how fast or slowly their webbed feet could get them here.

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