Etymology
Advertisement

sternum (n.)

"breastbone," 1660s, from Greek sternon "chest, breast, breastbone" (in Homer, only of males), also "the breast as the seat of affections," related to stornynai "to spread out," from PIE *ster-no- "to stretch, extend," from root *stere- "to spread," on the notion of the chest as broad and flat, as opposed to the neck. Related: Sternal.

Others are reading

Advertisement
Advertisement
Definitions of sternum

sternum (n.)
the flat bone that articulates with the clavicles and the first seven pairs of ribs;
Synonyms: breastbone
From wordnet.princeton.edu