海岱门 hǎidàimén Haidaimen Origin Definitions Defs Strokes Stroke Words Sentences Sents 海岱 hǎidài Haidai Historical region in eastern China extending from the 渤海 bóhǎi to 泰山 tàishān in modern-day Shandong province.门 門 mén noun door door; gate; gateway; doorway; opening