ループライン

ループライン, ループ・ラインruupurain

noun

  1. spiral (railway)
  2. spiral loop
  3. curved railway line used to ascend steep hills

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences