本ほん因いん坊ぼうTop 6000MeaningsNoun1. Hon'inbō; Honinbo; grandmasterKanji used本book因cause坊boyPitch accentほんいんぼうUsed in vocabulary本ほん因いん坊ぼう戦せんHon'inbō Tournament (annual professional go competition); Honinbo TournamentNoun