Entry 2 senses Webster, 1913 Executioner /ĕkˌ-sək-yo͞osh'-ən-ẽr/ · Ex·e·cu·tion·er · IPA /ˌɛksəˈkjuʃənɚ/ 01 n. One who executes; an executer. 1. One who executes; an executer. 2. One who puts to death in conformity to legal warrant, as a hangman.