Main Entry:

¹pa·ri·e·tal

Pronunciation:

\pə-ˈrī-ə-t^əl\

Function:

adjective

Etymology:

Middle English, from Medieval Latin parietalis, from pariet-, paries wall of a cavity or hollow organ, from Latin, wall

Date:

15th century

1 a: of or relating to the walls of a part or cavity b: of, relating to, or forming the upper posterior wall of the head2: attached to the main wall rather than the axis or a cross wall of a plant ovary —used of an ovule or a placenta3: of or relating to college living or its regulation ; especially : of or relating to parietals