IPA: /ˈplæstərər/
KK: /ˈplæstərər/
A person who applies plaster to walls and ceilings as part of construction or repair work.
The plasterer finished smoothing the walls before the paint was applied.
Plasterer → It is formed from "plaster" (from Old French *plastre*, meaning a paste or mixture used for coating) and "-er" (meaning a person who). A plasterer is a person who applies plaster to surfaces.
Think of a person who works with a 'paste' ('plaster') to cover walls or ceilings — that's what a plasterer does.