Cabinet/ˈkæbɪnət/ Definition 1 of 4Pro Tip 1/3Furniture Context Use 'cabinet' when describing furniture for storage in homes and offices. She organized her documents in a filing cabinet. Pro Tip 2/3Visibility of Contents 'Cabinet' suggests storage where contents are not visible, unlike 'shelves'. He hid the gifts inside the cabinet. Pro Tip 3/3Not Always Wooden While often made of wood, cabinets can be metal, glass, or other materials. The metal cabinet in the garage stores all our tools.