Salver

имя существительное поднос (железный, медный или серебряный)

Большой англо-русский словарь

Salver

noun Etymology: modification of French salve, from Spanish salva sampling of food to detect poison, tray, from salvar to save, sample food to detect poison, from Late Latin salvare to save — more at save a tray especially for serving food or beverages

Merriam-Webster's Collegiate Dictionary