Definition of presternal in US English:

presternal

(also praesternal)

adjective

  • 1Anatomy and Zoology. Of or relating to the presternum (now rare); situated anterior or superior to the sternum.

  • 2Situated anterior to the sternum of an insect's segment; specifically of or relating to a presternum.

Origin

Late 19th century; earliest use found in American Naturalist. From pre- + sternal.

Pronunciation

presternal

/ˌpriːˈstəːnl/