Pax"wax` (?), n. [For faxvax, fr.
AS. fea? hair (akin to OHG. fahs) + weaxan to
grow. See Wax to grow, and cf. Faxed, Pectinate.]
(Anat.) The strong ligament of the back of the neck in
quadrupeds. It connects the back of the skull with dorsal spines of
the cervical vertebræ, and helps to support the head. Called
also paxywaxy and packwax.