青あお海原うなばらあおうなばらMeanings1nounthe blue sea; the vast blue oceanpoetical termPoetic term evoking the expansive blue sea; often used in literary or lyrical contexts.青あお海原うなばらを渡わたる風かぜが心地ここちよい。The wind crossing the blue sea feels pleasant.詩し人じんは青あお海原うなばらを詠よんだ。