とろ

noun

fatty tuna; tuna belly

Refers to the fatty belly cut of tuna, prized in sushi and sashimi. Often contrasted with 赤身 (lean tuna).

• お寿す司し屋やさんで、とろを一いっ貫かん注ちゅう文もんした。

  At the sushi restaurant, I ordered one piece of fatty tuna.

• 大おおトロは特とくに脂あぶらがのっていて美味おいしい。

  Extra-fatty tuna belly is especially rich and delicious.