Pronunciation: (ling'kij),[key] —n. 1. the act of linking; state or manner of being linked.
2. a system of links.
3. Genetics.an association between two or more genes on a chromosome that tends to cause the characteristics determined by these genes to be inherited as an inseparable unit.
4. Mach.an assembly of four or more rods for transmitting motion, usually in the same plane or in parallel planes.
5. a factor or relationship that connects or ties one thing to another; link: Administration officials sought to establish linkage between grain sales and relaxed immigration laws. 6. any of various mathematical or drawing devices consisting of a combination of bars or pieces pivoted together so as to turn about one another, usually in parallel planes.
7. Elect.See flux linkage.