Enter a clue or pattern or both:
The Clue
Argonaut member (8 letter answer)
The Answer
ASTERION
Tags
Notes
The answer ASTERION is so rare that it appears less than once every 2500 puzzles.
Definition
ASTERION as a noun:
1. the craniometric point at the junction of the lamboid suture and the occipitomastoid suture and the parietomastoid suture