noun
whole fish stuffed with sushi rice
A type of sushi where a whole fish is gutted, deboned, and stuffed with sushi rice, then often pressed and sliced. A regional specialty, particularly associated with Wakayama Prefecture.
和歌山の名物、姿寿司を初めて食べた。
I tried sugatazushi, a specialty of Wakayama, for the first time.
姿寿司は、魚の形を残したまま酢飯を詰めて作られる。
Sugatazushi is made by stuffing sushi rice into a fish while keeping its shape intact.
From 姿 (すがた, 'shape, figure') + 寿司 (すし, 'sushi'), referring to the sushi that retains the original shape of the fish.