ĕpĭthĕma, ătis, n., = ἐπίθεμα, in medic. lang.,
a poultice or lotion , epithem , Scrib. Comp. 160; Marc. Empir. 20; Mart. Cap. 3, § 225.
·noun A horny excrescence upon the beak of birds. ...
Webster's Dictionary of the English Language