glabella
The space between the eyebrows and above the nose.
The good Doctor had perceptibly aged since last year but was as sturdy and square-shaped as ever with his well-padded shoulders, square chin, square nostrils, leonine glabella, and rectangular brush of grizzled hair that had something topiary about it.
The axial protuberance on the cephalon of certain arthropods (especially trilobites).
Where it comes from
From Latin glaber (“smooth, hairless, bald”).
Adapted from the Wiktionary entry glabella (CC BY-SA 4.0).