A board or table used to openly hold and display silver plate and other dishware; a sideboard; a buffet.
"The antique mahogany cupboard stood proudly in the dining room, its glass-fronted doors revealing rows of gleaming silver plates."
To collect, as into a cupboard; to hoard.
"After hearing about the shortage of supplies, the family began cupboarding extra canned goods in their pantry just in case."