Sushi: is a Japanese food consisting of cooked vinegared rice (shari) combined with other ingredients (neta), usually raw fish or other seafood. Neta and forms of sushi presentation vary widely, but the ingredient which all sushi have in common is shari. Shari is also referred to as sushi-meshi (sushi rice).
Raw meat (usually but not necessarily seafood) sliced and served by itself is sashimi.
https://en.wikipedia.org/wiki/Sushi