しゃっこう 赤口 LinksSentence search for 赤口Sentence search for しゃっこうSentence search for しゃっくSentence search for じゃっくSentence search for じゃっこうSentence search for せきぐちKanji details for 赤 and 口Edit in JMdict Noun1. day that is unlucky except between the auspicious hours of 11am and 1pm (in the traditional calendar)See also 六曜Other forms赤口 【しゃっく】、赤口 【じゃっく】、赤口 【じゃっこう】、赤口 【せきぐち】 Discussions Log in to talk about this word.