'Xiphisterna' definitions:

Definition of 'Xiphisterna'

From: GCIDE

Xiphisternum \Xiph"i*ster"num\, n.; pl. Xiphisterna. [NL., fr. Gr. xi`fos a sword + sternum.] (Anat.) (a) The posterior segment, or extremity, of the sternum; -- sometimes called metasternum, ensiform cartilage, ensiform process, or xiphoid process. (b) The xiphiplastron. -- {Xiph"i*ster"nal}a. [1913 Webster]