1) Craniometric point 
A craniometric point: the lower end of the internal suture. ... Origin: G. Rhinion, nostril, dim. Of rhis (rhin-), nose ... (05 Mar 2000) ... 
(rin´e-on) a landmark in cephalometry, the lower end of the suture between the nasal bones.
Type: Term Pronunciation: rin′ē-on Definitions: 1. A craniometric point: the lower end of the suture between the nasal bones.
[n] - the anterior tip at the end of the suture of the nasal bones
rhinion The foremost point at which the two nasal bones meet.
noun the anterior tip at the end of the suture of the nasal bones