転轍てんてつ Noun Irregular English jmdict 1 noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru switching or shunting (of a rail car)
転轍手てんてつしゅ Noun English jmdict 1 noun (common) (futsuumeishi) switchman;pointsman;rail transport worker who operated railway switches (points)