Wordnet 3.0
NOUN (1)
1.
the craniometric point at the junction of the lamboid suture and the occipitomastoid suture and the parietomastoid suture;
The Collaborative International Dictionary of English v.0.48:
Asterion \As*te"ri*on\, n. [Gr. 'aste`rion starry.] (Anat.)
The point on the side of the skull where the lambdoid,
parieto-mastoid and occipito-mastoid sutures.
[1913 Webster]
WordNet (r) 3.0 (2006):
asterion
n 1: the craniometric point at the junction of the lamboid
suture and the occipitomastoid suture and the
parietomastoid suture