leech line

Noun

(nautical) A line for tightening the leech of a triangular mainsail to prevent it from fluttering.

Japanese Meaning

（船舶用語）三角形マストセイルのリーチ（帆の後縁）を引き締め、はためきを防ぐためのロープまたは索。

Before the squall hit, she tightened the leech line to stop the triangular mainsail from fluttering.

突風が来る前に、彼女は三角形のメインセールの後縁を引き締める綱を締めて帆のばたつきを止めた。

Sense（1）

(nautical) A line for tightening the leech of a triangular mainsail to prevent it from fluttering.

The leechline is ordinarily anchored at the head of the sail […]

leech lines

（ plural ）