一いっ直ちょく線せんTop 20000MeaningsNoun1. straight lineKanji used一one直straight線linePitch accentいっちょくせんいっちょくせんComposed of一いちone; 1; best; first; foremost; beginning; start; a (single); one (of many); ace; …Numeric直ちょく線せんstraight lineNounExamples1彼かれは仕し事ごとが終おわるとすぐ一いっ直ちょく線せんにパブへ向むかう。As soon as work is over, he makes a beeline for the pub.