Definition of "executor"

executor

/ɪɡˈzɛkjʊtɚ/

noun
plural executors
1. A person who carries out some task.
2. (computing) A component of a system that executes or runs something.
  Quotations
  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, page 114
3. (law) Someone appointed by a testator to administer their estate in accordance with their will; an administrator.
4. (obsolete) An executioner.
  Quotations
  The sad-eyed justice, with his surly hum, / Delivering o'er to executors pale / The lazy yawning drone.
  1599, William Shakespeare, “The Life of Henry the Fift”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act I, scene ii], line 203