sternebra

noun
ster·​ne·​bra | \ ˈstər-nə-brə How to pronounce sternebra (audio) \
plural sternebrae\ -​ˌbrē How to pronounce sternebrae (audio) , -​ˌbrī How to pronounce sternebrae (audio) \

Medical Definition of sternebra

: any of the four segments into which the body of the sternum is divided in childhood and which fuse to form the gladiolus