mūlīnus, a, um, adj. [mulus],
of or belonging to a mule : ungula, Vitr. 8, 3: nares, Plin. 30, 4, 11, § 31: cor, i. e. stolidum, fatuum (al. Mutinensis), Juv. 16, 23.
mūlīnus adj. mulus, of a mule : cor, Iu. ...
An Elementary Latin Dictionary