obelion

obe·li·on

noun \ō-ˈbē-lē-ˌän, -ən\

plural obe·lia \-lē-ə\

Definition of OBELION

: a point on the sagittal suture that lies between two small openings through the superior dorsal aspect of the parietal bones and is used in craniometric determinations

Illustration of OBELION