system

sys·tem

noun \ˈsis-təm\

Definition of SYSTEM

1

a : a group of body organs or structures that together perform one or more vital functions—see circulatory system, digestive system, endocrine system, limbic system, nervous system, reproductive system, respiratory system b : the body considered as a functional unit

2

: a manner of classifying, symbolizing, or schematizing <a taxonomic system>