president in WordNet English dictionary

1. the officer who presides at the meetings of an organization
   "address your remarks to the chairperson"
   president  chairman  chairwoman  chair  chairperson 
   
2. the chief executive of a republic
   president 
   
3. an executive officer of a firm or corporation
   president 
   
4. the head administrative officer of a college or university
   president  prexy