xiphisternum

noun

The hindmost segment or division of the sternum, corresponding to the xiphoid appendage or ensiform cartilage of man.

noun

The xiphiplastron of a turtle. See second cut under Chelonia.

noun

The posterior segment, or extremity, of the sternum; — sometimes called metasternum, ensiform cartilage, ensiform process, or xiphoid process.

noun

The xiphiplastron.

noun

The xiphoid process, a small cartilaginous extension to the lower part of the sternum, usually ossified in the adult human.