海白菜 hǎibáicài sea lettuce Definitions Defs Origin Strokes Stroke Words Sentences Sents 海 hǎi noun sea ocean or sea; large bodies of water including salt lakes or large inland lakes白菜 báicài bok choy The common white cabbage or pak choi Brassica rapa subsp. chinensis, characterized by small size and deep or light green leaves; also called 青菜 qīngcài