a limited variety or amount of food that you eat for medical reasons or because you want to lose weight; a time when you only eat this limited variety or amount
رژیم غذایی, رژیم, برنامه تغذیه محدود
He followed a strict low-fat diet.
I decided to go on a diet before my holiday.
She is trying to lose weight through diet and exercise.
Lose pounds with our new diet plan!
see also the Atkins Diet™, Hay diet