plural plaster casts
1
: cast entry 2 sense 2
She had a plaster cast on her leg.
2
: a copy of something made of plaster of paris
The mask was made from a plaster cast of his face.
Cite this Entry
“Plaster cast.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/plaster%20cast. Accessed 23 Jun. 2026.
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