Oxford Dictionary English corporation tax nounnoun BrE BrE//ˌkɔːpəˈreɪʃn taks// ; NAmE NAmE//ˌkɔːrpəˈreɪʃn taks// [uncountable] (British English) Add to my wordlistjump to other resultsa tax that companies pay on their profitsCheck pronunciation: corporation tax oxfordlearnersdictionaries.com