What is the meaning of Cupboard?

A board or table used to openly hold and display silver plate and other dishware; a sideboard; a buffet.

Things displayed on a sideboard; dishware, particularly valuable plate.

A cabinet, closet, or other piece of furniture with shelves intended for storing cookware, dishware, or food; similar cabinets or closets used for storing other items.

Things stored in a cupboard; particularly food.

A closet for storing coats.

To collect, as into a cupboard; to hoard.

Source: wiktionary.org