側そく線せん

noun

sidetrack; siding

Railway term for a short track connected to the main line, used for storing or passing trains.

• 貨か物もつ列れっ車しゃが側そく線せんに入はいった。

  The freight train entered the siding.

noun

lateral line (of a fish)

Biological term for the sensory organ along the side of fish and some amphibians.

• 魚さかなの側そく線せんは水すい流りゅうの変へん化かを感かんじ取とる。

  A fish's lateral line detects changes in water flow.