episternum

noun, plural ep·i·ster·na [ep-uh–stur-nuh] /ˌɛp əˈstɜr nə/.

1. Anatomy. manubrium.
2. Entomology. the anterior portion of a pleuron.

noun plural -na (-nə)

1. the manubrium of the sternum in mammals
2. another name for interclavicle

n.

1. The broad upper segment of the sternum occasionally fused with the body of the sternum and forming the sternal angle.manubrium presternum