to have free board
the method of treatment with a salt-free diet
an article of food―an article of diet―a food-stuff―(集合的に言えば)―food-stuffs―eatables―comestibles―victuals―viands―provisions
低脂肪食は心臓病患者によい.
a simple and uncomplicated meal
The amount of fat has increased since adopting America's diet.
a diet of foods that are not irritating