executor

Noun

1. A person who carries out some task.
   • This manner can no longer be considered "folk-song," yet neither can it be taken as "art-song," at least not conscious art, for the executors, the chazzanim, did not know of any theory of music and modulation. - 1929,...
2. A component of a system that executes or runs something.
   • When searching for a solution is unnecessary, then the program executor "doesn't care" which solution is generated nor how it is obtained. - 2014, Robert Kowalski, Thom Frühwirth, Logic for Problem Solving, Revisited,...
3. Someone appointed by a testator to administer their estate in accordance with their will; an administrator.
   • literary executor
4. An executioner.
   • The sad-eyed justice, with his surly hum, / Delivering o'er to executors pale / The lazy yawning drone. - 1599 (date written), William Shakespeare, “The Life of Henry the Fift”, in Mr. William Shakespeares Comedies,...