-alis

of, relating to

Forms

-alis
-aris — Latin variant especially used when the stem already contained l, avoiding a repeated l sound.
-al — English ending borrowed through French or directly from Latin.
-ar — English ending continuing Latin -aris.

Origin

An older Latin adjective-forming suffix; its more remote ancestry is uncertain.

Note

Expresses a relationship without specifying its kind: material, place, purpose, and other connections are possible.

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adjective

parietal

puh-RYE-uh-tul/pɝˈaɪʌtʌl/

Relating to the wall of a body cavity or organ.

The highlighted parietal bone forms part of the skull's protective wall.

A single anatomically accurate adult human skull in three-quarter lateral view, with the visible parietal bone subtly tinted to emphasize the bone forming the upper side of the skull.

Etymology

parietLatinwall

+alLatinof, relating to

The literal idea is “relating to a wall.” In anatomy, the wall is the enclosing boundary of a body cavity, including the bones forming the sides of the skull.

In context

Academy of Art University38:11

I'm coming down now to the angle where the skull begins to change from top to side there is the parietal edge

Sculpture Demonstrations and Interviews with Eugene Daub | Academy of Art University

More examples

The parietal peritoneum lines the inner wall of the abdomen.
The scan shows thickening of the parietal pleura.
The parietal pericardium lines the inside of the fibrous sac around the heart.

Similar words

mural: Also describes organ walls, especially those of the heart.