A food steamer is a useful appliance that is used to steam or cook food items without using oil or propane gas. There are multiple synonyms for the word "food steamer" like a vegetable steamer, bamboo steamer, rice cooker, and steam cooker. A vegetable steamer is a cooking device used to steam vegetables, while a bamboo steamer is great for cooking dim sum, rice, and vegetables. Rice cookers come with a steaming basket and can be used to cook rice and steam vegetables at the same time. Finally, a steam cooker is a versatile cooking appliance that can be used to steaming food items like vegetables, rice, fish, and even desserts.