rhizoverbBeta
DictionaryhumerusUpper arm bone
noun

humerus

HYOO-mer-us/ˈhjuːmərəs/

The long bone of the upper arm.

The colored humerus extends between the shoulder and elbow.

A close anatomical view of a shoulder and bent arm skeleton, with the humerus selectively colored warm ochre and the adjoining shoulder and forearm bones pale ivory, making its position between shoulder and elbow immediately clear.
Etymology
humerusLatinshoulder

The Latin word meant “shoulder,” and the English word initially carried that meaning too. Its anatomical use narrowed to the long upper-arm bone that meets the shoulder.

In context

AnatomyZone2:05
with the sterno costal head because of the fiber direction when our arm is in a flexed position this part of the Petra major muscle will perform extension of our humerus
Pectoralis Major Muscle Anatomy | AnatomyZone

More examples

  • The X-ray showed a fracture of the humerus.
  • The model included both humeri.
  • The anatomy lesson identified the humerus as an upper-arm bone.

Forms

humerus · humeri

Similar words

radius
The radius is a forearm bone; the humerus is the upper-arm bone.
ulna
The ulna is the other forearm bone; it joins the humerus at the elbow.