Vocabulary What does 東北 (とうほく, touhoku) mean? 東北 (とうほく, touhoku) means north-east. Quick factsReadingとうほくRomajitouhokuPart of speechnoun 東北とうほくtouhokunorth-east1noun north-east2noun Tōhoku (northernmost six prefectures of Honshu); TohokuKanji in this word東east北north