φαλακρότης

ητος, ἡ
A. baldness on the crown, opp. ἀναφαλαντίασις (in front), Arist. HA 518a28.
II. smoothness, φ. κεφαλῆς of a bone, Hp. Mochl. 41.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project