云海 yúnhǎi sea of clouds Origin Definitions Defs Strokes Stroke Words Sentences Sents yúnhǎi sea of clouds · vast distance 云 雲 yún noun cloud cloud; any cloud-like mass of smoke, dust, or steam in the air海 hǎi great number huge gathering or a large expanse of people or thingsyúnhǎi abundant 云 雲 yún many numerous; gathered in a crowd or great number like clouds海 hǎi great number huge gathering or a large expanse of people or things