"Wood shims" refers to thin, flat pieces of wood used for leveling or adjusting surfaces. They are typically wedge-shaped and help in supporting or aligning objects. Full definition
We ended up with some pretty big gaps at the bottom to accommodate for the doors, so we used wood shims between the base of the bookcase and the baseboard. (blesserhouse.com)
What a great project and I have a few packs of wood shims in the garage. (divaofdiy.com)
If you haven't seen the post about how I built this textured headboard and foot board set with wood shims, check that out HERE! (hazelandgolddesigns.com)