Facial area between the brows

• 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

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Glabellum \Gla*bel"lum\, n.; pl. Glabella . [NL. See Glabella .] (Zo["o]l.) The median, convex lobe of the head of a trilobite. See Trilobite .

Wikipedia Word definitions in Wikipedia
The glabella , in humans , is the skin between the eyebrows and above the nose . It also refers to the underlying bone which is slightly depressed, and joins the two superciliary ridges . It is a cephalometric landmark that is just superior to the nasion ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
"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 ).

WordNet Word definitions in WordNet
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 [syn: mesophyron ] [also: glabellae (pl)]

Wiktionary Word definitions in Wiktionary
n. 1 (context anatomy English) The space between the eyebrows and the nose. 2 (context zoology English) The axial protuberance on the cephalon of certain arthropods (especially trilobites)