Entry 2 senses · 2 variants Webster, 1913 Emplaster · Em·plas·ter · IPA n. v. t. 01 n. See Plaster. 1. See Plaster.[Obs.] See: Plaster 02 v. t. To plaster over; to cover over so as to present a good appearance. 1. To plaster over; to cover over so as to present a good appearance.[Obs.]