chief operating officerglossary / CHIEF OPERATING OFFICER chief operating officer. A manager who supervises a company’s day-to-day operations and who usu. reports to the chief executive officer. — Abbr. COO. 词条贡献者 法律翻译Jack,毕业于一所旨在培养高级翻译专业人才的翻译院校,专注翻译各类与重大诉讼案件有关的法律文件。