TgJ 2K9:35 :וְלָא אַשכַחוּ בַה אְלָהֵין גֻלגֻלתָא וְרַגלַיָא וְפַסַת יְדַיָא‏ : they found only the skull, the feet, and the palms in it
See the entire entry for gwlglh n.f. skull