Xiphiplastron
Pronunciation : Xiph"i*plas"tron
Part of Speech : n.;
Etymology : [NL., fr. Gr. xi`fos a sword + plastron.] (Anat.)
Definition : Defn: The posterior, or fourth, lateral plate in the plastron of turtles; -- called also xiphisternum.
pl. Xiphiplastra.
Source : Webster's Unabridged Dictionary, 1913