ひとつがい 一番 LinksSentence search for 一番Sentence search for ひとつがいSentence search for 一つがいSentence search for １つがいKanji details for 一 and 番Edit in JMdict Noun1. pair; couple; braceUsually written using kana aloneOther forms一つがい 【ひとつがい】、１つがい 【ひとつがい】 Discussions Log in to talk about this word.