noun
: a conventional position in which a human skull is placed for craniometric study marked so that the lower margin of the orbits is on the same horizontal plane as the upper margin of the auditory meatus — called also Frankfurt horizontal
noun
: a conventional position in which a human skull is placed for craniometric study marked so that the lower margin of the orbits is on the same horizontal plane as the upper margin of the auditory meatus — called also Frankfurt horizontal
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012