'Xiphiplastra' definitions:

Definition of 'Xiphiplastra'

From: GCIDE

Xiphiplastron \Xiph"i*plas"tron\, n.; pl. Xiphiplastra. [NL., fr. Gr. xi`fos a sword + plastron.] (Anat.) The posterior, or fourth, lateral plate in the plastron of turtles; -- called also xiphisternum. [1913 Webster]