Oxford Dictionary English house officer nounnoun BrE BrE//ˈhaʊs ɒfɪsə(r)// ; NAmE NAmE//ˈhaʊs ɔːfɪsər// , NAmE//ˈhaʊs ɑːfɪsər// Add to my wordlistjump to other results (in Britain) a doctor who has finished medical school and who is working at a hospital to get further practical experience compare internCheck pronunciation: house officer oxfordlearnersdictionaries.com