'Nasion' definitions:

Definition of 'nasion'

(from WordNet)
noun
The craniometric point at the bridge of the nose where the frontal and nasal bones of the skull meet

Definition of 'Nasion'

From: GCIDE
  • Nasion \Na*si*on\ (n[=a]"z[i^]*[o^]n), n. [NL., fr. L. nasus nose.] (Anat.) The middle point of the nasofrontal suture. [1913 Webster]