よこいっせん 横一線 LinksSentence search for 横一線Sentence search for よこいっせんKanji details for 横, 一 and 線Edit in JMdict Noun which may take the genitive case particle 'no'1. (running) abreast; side-by-side; in a rowoft. adverbially as 〜にNoun which may take the genitive case particle 'no'2. neck and neck; (almost) equal Discussions Log in to talk about this word.