Tiffin (noun.), it indicates a type of lunch box. Tiffin is also used for lunch, meal, repast, food, nourishment and nutrition. The common steel Tiffin box carried by office goers in India has a tiered structure that contains a full thali meal, salad, curd and even sweets.
Tiffin food carriers or tiffin boxes as they are more traditionally known are a safe and efficient way of carrying and transporting hot foodstuffs, whether freshly prepared school lunch or an evening meal post a gym workout.