XIPHISTERNUM n. 2 definitions
The posterior segment, or extremity, of the sternum; -- sometimes called metasternum, ensiform cartilage, ensiform process, or xiphoid process.
AGE n. 2 definitions
A particular period of time in history, as distinguished from others; as, the golden age, the age of Pericles. "The spirit of the age." Prescott. Truth, in some age or other, will find her witness. Milton. Archeological ages are designated as three: The Stone age (the early and the later stone age, called paleolithic a…