plaster (subs.) Copy link Outline I. Used in building1. tectōrium, sometimes tectorium opus (most gen. term; more freq. however denoting an ornamental kind of p., adapted to receive colour2. albārium, with or without opus (made of pure lime, well steeped, maceratum)3. ărēnātum (lime and sand), marmŏrātum (lime and crushed marble)4. gypsum (a kind of plaster of Paris)II. Fig., mere outsideIII. Medical • plaster (subs.): I. Used in building: 1. tectōrium, sometimes tectorium opus (most gen. term; more freq. however denoting an ornamental kind of p., adapted to receive colour: Vitr. 7, 3, 7): to lay on p., t. inducere, Cic. Verr. 2, 1, 55, extr.: Vitr.: Plin.: baths coated with common p., balnea gregali t. inducta, Sen. Ep. 86, 8: oft. pl. = p.work, Plin. 36, 23, 55: Vitr. 2. albārium, with or without opus (made of pure lime, well steeped, maceratum): Vitr. 7, 2: Plin. l. c. 3. ărēnātum (lime and sand), marmŏrātum (lime and crushed marble): Plin. l. c.: Vitr. 4. gypsum (a kind of plaster of Paris): Plin. 36, 24, 59 (where its composition is given). Made of such p., gypseus: Spart. Sev. 22 (Victoriae gypseae, figures of victory in p.): or, e gypso factus. II. Fig., mere outside: tectōrium: Pers. 5, 24: Aug. III. Medical: emplastrum: Cels. 5, 272: Plin.