n a smooth prominence of the frontal bone between and above the eyebrows; the most forward projecting point of the forehead in the midline at the level of the supraorbital ridges
常见例句
1
a of or relating to the glabella
2
See Glabella.
3
A genus of Lower Silurian trilobites in which the glabella and cheeks form three rounded elevations on the head.
