couplings
nounUK /ˈkʌplɪŋz/
US /ˈkʌplɪŋz/
Couplings are things that join two parts together.
The train cars are held together by strong metal couplings.
OTHER MEANINGS
2. The act of joining two things together.
The couplings of the pipes took all afternoon.
3. A device for connecting railway cars.
The worker checked the couplings between the train cars.
4. Pairs of people or things linked together.
The dancers moved in graceful couplings across the stage.
5. In science, the linking of two systems or reactions.
The experiment studied the couplings between the two chemical reactions.