the GNU version of the Collaborative International Dictionary of English
adj. Of the nature of plaster.
The Century Dictionary and Cyclopedia
Resembling plaster; containing plaster.
Word Usage
"In its crisp details, with a plaid pattern inscribed on limestone (the old Guggenheim is covered in Gunite, the plastery stuff swimming pools are made of), the annex distinguishes itself from the Wright building-which is good."