Baretti: A dictionary of the English and Italian languages
Riserbá-re, v. a.
1. to reserve, keep, lay up, save;2. to delay, defer. Riserbati alla vendetta,live to revenge yourself; 3. to save or deliver from death; 4. to consider, have a consideration for, to mind, regard; v. r. to reserve one's self; s. m. Riserbá-tóre, f. Riserbá-tríce; adj. Riserbá-nte.
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English
riserbare: to reserue, to keepe, to lay vp, to keepe for time to come.