首席营运长 shǒuxíyíngyùnzhǎng chief operating officer Origin Definitions Defs Strokes Stroke Words Sentences Sents 首席 shǒuxí noun chief highest in rank or position; principal; leading official among peers营运长 營運長 yíngyùnzhǎng chief operating officer (Taiwan) chief operating officer (COO); a senior executive responsible for the daily operations of a company or organization