Paries

noun

1. A wall of a body part, organ, or cavity.
2. i. In anatomy and zoology:
3. A wall or inclosure; an envelop or investment; a body-wall; any part which inclosesor bounds a cavity: generally in the plural: as,the thoracic or abdominal parietes (that is,the walls of the chest or belly.
4. In Cirripedia, the free middle part of the shell, as distinguished from the lateral wings.
5. One of the perpendicular partitions separating the cells of a honeycomb or a wasps’ nest.