支し線せん

noun, noun which may take the genitive case particle 'no'

branch line; spur line

Refers to a secondary railway line that branches off from a main line. Also used figuratively for other branching connections.

• この支し線せんは本ほん線せんから分ぶん岐きしている。

  This branch line diverges from the main line.

• 支し線せんの駅えきは小ちいさくて静しずかだ。

  The station on the branch line is small and quiet.