鮪まぐろ包ぼう丁ちょう

noun

tuna knife

A long, specialized knife used for cutting tuna, especially in fish markets and sushi restaurants.

• 市いち場ばで鮪まぐろ包ぼう丁ちょうを使つかって大おおきなマグロをさばいていた。

  They were cutting up a large tuna at the market using a tuna knife.