Oxford Dictionary English test case noun noun BrE BrE//ˈtest keɪs// ; NAmE NAmE//ˈtest keɪs// Add to my wordlistjump to other resultsa legal case or other situation whose result will be used as an example when decisions are being made on similar cases in the futureSee test case in the Oxford Advanced American DictionaryCheck pronunciation: test case oxfordlearnersdictionaries.com