Donburi is a Japanese "rice-bowl dish" consisting of fish, meat, vegetables or other ingredients simmered together and served over rice. Donburi meals are usually served in oversized rice bowls which are also called donburi. If one needs to distinguish, the bowl is called donburi-bachi and the food is called donburi-mono .
Unadon, one common donburi dish.
Gyūdon beef bowl
Butadon
Tendon
Gyūdon , also known as gyūmeshi , is a Japanese dish consisting of a bowl of rice topped with beef and onion simmered in a mildly sweet sauce flavored with dashi, soy sauce and mirin. It may sometimes also be served with toppings such as raw or soft poached eggs, Welsh onions (negi), grated cheese or kimchi. A popular food in Japan, it is commonly eaten with beni shōga, shichimi, and a side dish of miso soup.
Gyūdon from a Yoshinoya restaurant
Gyūdon with shichimi
Matsuya is a major gyūdon chain in Japan open round the clock ('24H').
Food ticket (食券, shokken) machine in a Matsuya restaurant