1) Craniometric point 
The term obelion is applied to that point of the sagittal suture which is on a level with the parietal foramina. ...
• (n.) The region of the skull between the two parietal foramina where the closure of the sagittal suture usually begins.
O·be'li·on noun [ New Latin , from Greek ... a spit.] (Anat.) The region of the skull between the two parietal foramina where the closure of the sagittal suture usually begins. 
Type: Term Pronunciation: ō-bē′lē-on Definitions: 1. A craniometric point on the sagittal suture between the parietal foramina near the lambdoid suture.
[n] - the craniometric point on the sagittal suture near the lamboid suture
noun the craniometric point on the sagittal suture near the lamboid suture