OECDalso: オーイーシーディーFreq.FrequencyTop 50,000Meanings1nounOECD; Organization for Economic Cooperation and DevelopmentInternational organization; the abbreviation OECD is widely used in Japanese media and official documents.日本にほんはOECDの加か盟めい国こくです。Japan is a member country of the OECD.