Ulna definition

ŭlnə
Frequency:
A corresponding bone in the forelimb of other vertebrates.
noun
2
0
The larger of the two bones of the forearm of humans, on the side opposite the thumb.
noun
2
0
A corresponding bone in the forelimb of other land vertebrates.
noun
1
0
The bone extending from the elbow to the wrist on the side opposite to the thumb in humans.
noun
1
1
The ulna is a long, thin bone in your forearm, on the opposite side of your arm from your thumb.

An example of ulna is a bone in your forearm.

noun
0
0
Advertisement
The bone extending from the elbow to the wrist on the side opposite to the thumb in humans.
noun
0
0
A corresponding bone in the forelimb of other vertebrates.
noun
0
0
The longer of the two bones of the forearm or lower portion of the foreleg.
0
0
(anatomy) The bone of the forearm that extends from the elbow to the wrist on the side opposite to the thumb, corresponding to the fibula of the hind limb. Also, the corresponding bone in the forelimb of any vertebrate.
noun
0
0

Other Word Forms

Noun

Singular:
ulna
Plural:
ulnae, ulnas

Origin of ulna

  • Latin elbow, forearm el- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin ulna (“elbow").

    From Wiktionary