吴大澂 wúdàchéng Wu Dacheng Origin Definitions Defs Strokes Stroke Words Sentences Sents 吴 吳 wú Wu a Chinese surname大 dà adjective big big; large; great; vast; high in scale or intensity; (of a person) old; adult澂 chéng clear (bound form) clear; transparent; to clarify. This is a literary variant of 澄 chéng used in names and classical contexts.