Term: navigational system: a system that provides information useful in determining the position and course of a ship or aircraft
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: warrigal: Australian wild horse
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: beef loin: cut of meat from a loin of beef
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: choragus: (ancient Greece) leader of a group or festival; leader of a chorus
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: cowpox: a viral disease of cattle causing a mild skin disease affecting the udder; formerly used to inoculate humans against smallpox
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: customs: money collected under a tariff
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: uncle: the brother of your father or mother; the husband of your aunt
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: disk cache: a cache that stores copies of frequently used disk sectors in random access memory (RAM) so they can be read without accessing the slower disk
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: commander in chief: the officer who holds the supreme command
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: secondary dysmenorrhea: painful menstruation that is caused by some specific disorder (as endometriosis)
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: sarcocephalus: genus of tropical African trees and shrubs