from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The third lateral plate in the plastron of turtles.
from the GNU version of the Collaborative International Dictionary of English
- n. The third lateral plate in the plastron of turtles; -- called also hyposternum.
from The Century Dictionary and Cyclopedia
- n. The third lateral piece of the plastron of a turtle: applied by Huxley (“Anat. Vert.,” p. 174) to what others call hyposternum. See second cut under Chelonia.
hypo- + plastron (Wiktionary)
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