perjactatio Save DMLBS perjactatio [CL per-+jactatio] , (act of) pargetting or plastering; b (dist. from dealbatio). c1326 [in pargetting or plastering] ~one [the hall and chamber] Rec. Leic. I 354. b 1345 pro dealbacione et ~one parietum capelle (v. dealbatio).