n.

1. a group of independent but interrelated elements comprising a unified whole;
   scheme
   
   • a vast system of production and distribution and consumption keep the country going
2. instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity
   
   • he bought a new stereo system
   • the system consists of a motor and a small computer
3. a complex of methods or rules governing behavior;
   system of rules
   
   • they have to operate under a system they oppose
   • that language has a complex system for indicating gender
4. a procedure or process for obtaining an objective
   
   • they had to devise a system that did not depend on cooperation
5. a group of physiologically or anatomically related organs or parts
   
   • the body has a system of organs for digestion
6. an organized structure for arranging or classifying;
   arrangement, organization, organisation
   
   • he changed the arrangement of the topics
   • the facts were familiar but it was in the organization of them that he was original
   • he tried to understand their system of classification
7. (physical chemistry) a sample of matter in which substances in different phases are in equilibrium
   
   • in a static system oil cannot be replaced by water on a surface
   • a system generating hydrogen peroxide
8. the living body considered as made up of interdependent components forming a unified whole
   
   • exercise helped him get the alcohol out of his system
9. an ordered manner; orderliness by virtue of being methodical and well organized;
   organization, organisation
   
   • his compulsive organization was not an endearing quality
   • we can't do it unless we establish some system around here