The noun system has 9 senses (first 9 from tagged texts)
1. (394) system, scheme -- (a group of independent but interrelated elements comprising a unified whole; "a vast system of production and distribution and consumption keep the country going")
2. (316) system -- (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. (110) system, system of rules -- (a complex of methods or rules governing behavior; "they have to operate under a system they oppose"; "that language has a complex system for indicating gender")
4. (90) system -- (a procedure or process for obtaining an objective; "they had to devise a system that did not depend on cooperation")
5. (61) system -- (a group of physiologically or anatomically related organs or parts; "the body has a system of organs for digestion")
6. (54) arrangement, organization, organisation, system -- (an organized structure for arranging or classifying; "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. (52) system -- ((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. (8) system -- (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. (2) organization, organisation, system -- (an ordered manner; orderliness by virtue of being methodical and well organized; "his compulsive organization was not an endearing quality"; "we can't do it unless we establish some system around here")