noun, plural ster·na [stur-nuh] /ˈstɜr nə/, ster·nums.
Origin of sternum
Examples from the Web for sternum
He lifted his t-shirt and showed us a long scar, running from sternum to waistband.
The point of the weapon was concealed by the sternum that it had penetrated with such surprising force.The Black and White Men Who Saved Martin Luther King’s Life|Michael Daly|January 20, 2014|DAILY BEAST
Then you get a gander at the full monty, as it were, and he looks like someone inflated him from the sternum down.
He considers it the usual crazy talk until one night when his sternum is nearly crushed by a snarling, otherworldly apparition.A New ‘One Flew Over the Cuckoo’s Nest’: Victor LaValle’s ‘The Devil in Silver’|Drew Toal|August 31, 2012|DAILY BEAST
Sternum differs from that of C. clangula by having the notch lower, more faint behind and shorter in front.Extinct Birds|Walter Rothschild
The weapon entered between the second and third ribs on the left side close to the sternum or breast-bone.John Thorndyke's Cases|R. Austin Freeman
Substernal, sub-ster′nal, adj. situated beneath the sternum.
The sternum of the last thoracic somite is immovably united with the preceding.
In advanced cases the ribs become approximated, and the lower end of the sternum is projected forward.
noun plural -na (-nə) or -nums
Word Origin for sternum
1660s, from Greek sternon "chest, breast, breastbone" (in Homer, only of males), from PIE *stre-to- "to stretch, extend," from a root meaning "flat surface," related to stornynai "to spread out" (see structure (n.)), on the notion of the chest as broad and flat, as opposed to the neck.