obelion
O*be"li*on, n. Etym: [NL., from Gr. (Anat.) Defn: The region of the skull between the two parietal foramina where the closure of the sagittal suture usually begins.
O*be"li*on, n. Etym: [NL., from Gr. (Anat.) Defn: The region of the skull between the two parietal foramina where the closure of the sagittal suture usually begins.