Medical Dictionary

sternalis

noun ster·na·lis \stər-ˈnā-ləs\
plural ster·na·les \-(ˌ)lēz\

Medical Definition of STERNALIS

:  a muscle that sometimes occurs on the surface of the pectoralis major at its sternal end and that has its fibers running parallel to the sternum and perpendicular to the pectoralis major

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears