The Collaborative International Dictionary of English v.0.48:
palatine \pal"a*tine\, a. [F. palatin, L. palatinus, fr.
palatium. See Palace, and cf. Paladin.]
1. Of or pertaining to a palace, or to a high officer of a
palace; hence, possessing royal privileges.
2. Of or pertaining to the Palatinate.
3. Of or pertaining to a Palatine.
Count palatine, County palatine. See under Count, and
Palatine hill, or The palatine, one of the seven hills of
Rome, once occupied by the palace of the C[ae]sars. See
also Palatine Hill in the vocabulary, and Palace.