日本にっぽん頭ず痛つう学がっ会かいMeaningsNoun1. Japanese Headache Society; JHSKanji used日sun本book頭head痛pain学study会meetingComposed of日本にっぽんJapanNoun頭ず痛つうheadacheNoun学がっ会かいlearned society; scientific society; academy; academic meeting; academic conferenceNoun