the lowest point of the midline of the lower jaw: a reference point in craniometry
Word origin
C19: from New Latin, from Greek gnathos jaw
gnathion in American English
(ˈneiθiˌɑn, ˈnæθi-)
noun
Biology
the lowest point on the anterior margin of the lower jaw in the midsaggital plane
Word origin
[1885–90]This word is first recorded in the period 1885–90. Other words that entered Englishat around the same time include: booster, scrum, seminar, toner, upsweep