ulna

As a letter s

is the letter s with a.

As a noun ulna is

(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.

As nouns the difference between ulna and null

is that ulna is (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 while null is zero, nil; the cardinal number before einn.

As a noun ulna

is (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.

As an adjective undefined is

lacking a definition or value.

As a noun ulna

is (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.

As a proper noun palm is

.

As a noun ulna

is (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.

As a pronoun ell is

(third-person masculine pronoun).

As a noun ulna is

(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.

As nouns the difference between ulna and ulnae

is that ulna is (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 while ulnae is .

As nouns the difference between ulan and ulna

is that ulan is while ulna is (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.

Ulna is a anagram of luna.

As nouns the difference between luna and ulna

is that luna is a luna moth: a member of species species: Actias luna while ulna is 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.

As a proper noun Luna

is the name of Earth's moon.