Oxford Dictionary English medical officer nounnoun BrE BrE//ˈmedɪkl ɒfɪsə(r)// ; NAmE NAmE//ˈmedɪkl ɔːfɪsər// , NAmE//ˈmedɪkl ɑːfɪsər// (abbreviation MO) Add to my wordlistjump to other results a person, usually a doctor, employed in an organization to deal with medical and health mattersCheck pronunciation: medical officer oxfordlearnersdictionaries.com
