editor Meaning, Definition & Usage

  1. noun a person responsible for the editorial aspects of publication; the person who determines the final content of a text (especially of a newspaper or magazine)
    editor in chief.
  2. noun (computer science) a program designed to perform such editorial functions as rearrangement or modification or deletion of data
    editor program.

WordNet

Ed"i*tor noun
Etymology
L., that which produces, from edere to publish: cf. F. éditeur.
Definitions
  1. One who edits; esp., a person who prepares, superintends, revises, and corrects a book, magazine, or newspaper, etc., for publication.

Webster 1913