gill slit

(anatomy, zoology) An individual opening to gills, which lacks an operculum; characteristic of cartilaginous fish such as sharks.

Japanese Meaning

鰓裂：軟骨魚類（例えばサメなど）に見られる、鰓の個々の開口部で、鰓蓋（オペルクラム）を持たないもの

The shark exposed a gill slit as it glided silently through the water.

サメは水中を静かに滑るように泳ぎながら、鰓裂を露出させた。

Sense（1）

(anatomy, zoology) An individual opening to gills, which lacks an operculum; characteristic of cartilaginous fish such as sharks.

gill slits

（ plural ）