Section 682. Definitions

As used herein, the following terms shall have
  the following meanings:
    1. "Government" or "employer"  shall  mean  any  county,  city,  town,
  village,  school  district  or other political subdivision in this state
  having one hundred or more full-time employees, except the city  of  New
  York.
    2.  "Public  employee"  or  "employee"  shall mean any person directly
  employed and compensated by a government, except persons employed in the
  legislative or judicial branch thereof.
    3. "Supervisor" shall mean any person, regardless  of  title,  who  is
  assigned to exercise any level of supervisory responsibility over public
  employees.
    4.  "Grievance" shall mean any claimed violation, misinterpretation or
  inequitable  application  of  the  existing  laws,  rules,   procedures,
  regulations,  administrative  orders  or work rules of a government or a
  department or agency thereof, which relate to or involve employee health
  or safety, physical facilities,  materials  or  equipment  furnished  to
  employees or supervision of employees; provided, however, that such term
  shall   not   include   any  matter  involving  an  employee's  rate  of
  compensation, retirement benefits, disciplinary proceeding or any matter
  which is otherwise reviewable pursuant to law or any rule or  regulation
  having the force and effect of law.