BEAVER BOARD • FREE TRANSLATOR.ORG • Definition of Beaver board

... should be nailed to the slides, in order to keep the drawers straight. Divide Section A for one drawer and cupboard. The drawers may be made out of raisin boxes cut down to the required size. To the front of each drawer, nail a piece of beaver board or pine a little larger than the drawer front. Use any handles that may be conveniently obtained. Cut two pieces 4' 9-1/2" x 1-1/2" x 7/8". Space the Sections as shown, and nail these pieces firmly to the fronts of the larger boxes, A and B, ...

— Ontario Teachers' Manuals: Household Science in Rural Schools • Ministry of Education Ontario