humerus

Concise Oxford English Dictionary © 2008 Oxford University Press:
humerus /ˈhjuːm(ə)rəs/

▶noun (pl. humeri /-rʌɪ/)

• 1 Anatomy the bone of the upper arm or forelimb, between the shoulder and the elbow.

• 2 Entomology the structure forming the front basal corner of an insect's wing or wing case.

– origin ME: from L., ‘shoulder’.