humerus

from WordNet (r) 3.0 (2006)

humerus
    n 1: bone extending from the shoulder to the elbow

from The Collaborative International Dictionary of English v.0.48

Humerus \Hu"me*rus\, n.; pl. {Humeri}. [L.] (Anat.)
   (a) The bone of the brachium, or upper part of the arm or
       fore limb.
   (b) The part of the limb containing the humerus; the
       brachium.
       [1913 Webster]