Sushi (õi or é½) is the most famous Japanese dish outside of Japan, and one of the most popular dishes among the Japanese themselves. In Japan, sushi is usually enjoyed on special occasions, such as a celebration.
During the Edo period, "sushi" refered to pickled fish preserved in vinegar. Nowadays sushi can be defined as a dish containing rice which has been prepared with sushi vinegar. There are many different types of sushi. Some popular ones are:
Note that "sushi" becomes "zushi" in word combinations in which "sushi" is the second word, e.g. nigirizushi.