canvasboard

noun
UK /ˈkænvəs bɔːd/
US /ˈkænvəs bɔːrd/

A flat board covered with canvas that you can paint on.

She painted a bright sunset on a small canvasboard.


OTHER MEANINGS

2. A stiff backing board used to stretch and support canvas for painting.

The framer mounted the canvas onto a canvasboard before framing it.

3. A lightweight painting surface often used by students and beginners.

Art class supplied each student with a canvasboard and a set of brushes.

4. A board made of compressed fibers coated with a canvas-like textured layer.

He chose a canvasboard instead of stretched canvas because it was easier to carry.