側そく線せんそくせんFreq.FrequencyTop 100,000Meanings1nounsidetrack; sidingRailway 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.2nounlateral line (of a fish)Biological term for the sensory organ along the side of fish and some amphibians.
