一いっ直ちょく線せんいっちょくせんCommon wordFreq.FrequencyTop 20,000Meanings1nounstraight lineRefers to a literal straight line, often used in geometry, drawing, or describing a direct path.定じょう規ぎを使つかって一いっ直ちょく線せんを引ひいてください。Please draw a straight line using a ruler.この道みちは駅えきまで一いっ直ちょく線せんだ。This road goes straight to the station.
