"space between the eyebrows," 1590s, Modern Latin, properly fem. of adj. glabellus "without hair, smooth," diminutive of glaber "smooth, bald," from PIE *gladh- "smooth" (see glad).
glabella gla·bel·la (glə-běl'ə)n. pl. gla·bel·lae (-běl'ē)
The smooth area between the eyebrows just above the nose.
The most forward projecting point of the forehead in the midline of the supraorbital ridges. Also called mesophryon.