n.any of several gypsum cements; a white powder (a form of calcium sulphate) that forms a paste when mixed with water and hardens into a solid; used in making molds and sculptures and casts for broken limbs
Head, arms, legs, front torso and back torso had been moulded separately round his body in plasterofParis and were now fitted separately to him, like a knight's armour.
Instead of working on his thesis, Keith spent most of two years holed up in the family garage, stripping the body off a Triumph Spitfire and building a new shell from scratch, using foam and 700 pounds ofplasterofparis.