plastratio Save DMLBS plastratio, ~iatio [plastrare, ~iare+-tio] , act of covering with plaster, plastering. 1284 pro ~acione domorum in castro KR Ac 351/9 m. 12; in ~acione cumuli alte camere nove turris DL MinAc 1/3 m. 12; de ~iacione domorum MGL II 52.