linkage

noun

1. A mechanical device that connects things.
2. A connection or relation between things or ideas.
3. The act or result of linking: the combination of multiple object files into one executable, library, or object file.
4. The property of genes of being inherited together.
5. A set of definitely related languages for which no proto-language can be derived, typically a group of languages within a family that have formed a sprachbund.
6. A United States foreign policy, during the 1970s détente in the Cold War, of persuading the Soviet Union to co-operate in restraining revolutions in the Third World in return for nuclear and economic concessions.