m]
| 1. | an assemblage or combination of things or parts forming a complex or unitary whole: a mountain system; a railroad system. |
| 2. | any assemblage or set of correlated members: a system of currency; a system of shorthand characters. |
| 3. | an ordered and comprehensive assemblage of facts, principles, doctrines, or the like in a particular field of knowledge or thought: a system of philosophy. |
| 4. | a coordinated body of methods or a scheme or plan of procedure; organizational scheme: a system of government. |
| 5. | any formulated, regular, or special method or plan of procedure: a system of marking, numbering, or measuring; a winning system at bridge. |
| 6. | due method or orderly manner of arrangement or procedure: There is no system in his work. |
| 7. | the world or universe. |
| 8. | Astronomy.
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| 9. | Biology.
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| 10. | one's psychological makeup, esp. with reference to desires or preoccupations: to get something out of one's system. |
| 11. | a method or scheme of classification: the Linnean system of plants. |
| 12. | (sometimes initial capital letter ) the prevailing structure or organization of society, business, or politics or of society in general; establishment (usually prec. by the): to work within the system instead of trying to change it. |
| 13. | Geology. a major division of rocks comprising sedimentary deposits and igneous masses formed during a single geologic period. |
| 14. | Physical Chemistry. a combination of two or more phases, as a binary system, each of which consists of one or more substances, that is attaining or is in equilibrium. |
| 15. | Computers. a working combination of hardware, software, and data communications devices. |
| 16. | Checkers. either of the two groups of 16 playing squares on four alternate columns. |

A group of bodily organs that have similar structures or work together to perform some function, such as the digestive system, nervous system, and respiratory system.
system sys·tem (sĭs'təm)
n.
A group of interacting, interrelated, or interdependent elements forming a complex whole.
An organism or body considered as a whole, especially with regard to its vital processes or functions.
A group of physiologically or anatomically complementary organs or parts.