humerus

hu·mer·us

noun \ˈhyüm-(ə-)rəs\

plural hu·meri \ˈhyü-mə-ˌrī, -ˌrē\

Definition of HUMERUS

: the longest bone of the upper arm or forelimb extending from the shoulder to the elbow, articulating above by a rounded head with the glenoid fossa, having below a broad articular surface divided by a ridge into a medial pulley-shaped portion and a lateral rounded eminence that articulate with the ulna and radius respectively, and providing various processes and modified surfaces for the attachment of muscles

Illustration of HUMERUS