Did you know?

Click any word in a definition or example to find the entry for that word

addaword.gifdefinition of COO

Chief Operating Officer: one of the most senior people in a company who is responsible for the daily operation of a company
Facebook COO Sheryl Sandberg spoke today at the D11 conference in southern California.
Submitted from United Kingdom on 02/07/2013 11:31:00
Definition of COO from the Open Dictionary – a public resource hosted by Macmillan English Dictionary Online


a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

BuzzWord Article


A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog