Learn more about this word
同盟国
同盟国 (dōmeikoku) is an allied nation, from 同盟 (alliance) plus 国 (country). The alliance itself is 同盟; a member of it is a 同盟国.
Examples in context
アメリカは日本の同盟国だ。
The United States is Japan's ally.
同盟国と協力する。
They cooperate with allied nations.
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