105.1102.  Definitions. — As used in sections 105.1100 to 105.1116, the following terms shall mean:

  (1)  "Public employee", any person employed on a full-time, part-time, temporary or intermittent basis by a public employer as defined in this section;

  (2)  "Public employer", any employee of the executive branch of Missouri state government;

  (3)  "Public employment", employment by any public employer as defined in this section.