- brow, forehead - the part of the face above the eyes
--1 is a kind of feature, lineament
--1 is a part of face, human face
--1 has parts: trichion, crinion - frontal bone, os frontale, forehead - the large cranial bone forming the front part of the cranium: the forehead and the upper part of the orbits
--2 is a kind of membrane bone
--2 is a part of cranium, braincase, brainpan
--2 has parts:glabella, mesophyron; metopion; ophryon; frontal eminence