万ばん博ぱくばんぱくFreq.FrequencyTop 20,000Meanings1nounworld expo; international expositionabbreviationAbbreviation of 万国博覧会. Refers to large-scale international exhibitions like World Expos.See also: 万国博覧会2025年ねんの万ばん博ぱくは大おお阪さかで開かい催さいされます。The 2025 World Expo will be held in Osaka.万ばん