couplingduty
nounUK /ˈkʌplɪŋ ˈdjuːti/
US /ˈkʌplɪŋ ˈduːti/
A coupling duty is a job where someone connects two things together.
The train worker had a coupling duty to join the cars safely.
OTHER MEANINGS
2. A tax paid when two parts are joined or linked.
The factory paid a coupling duty on the joined pipes.
3. The responsibility of keeping two groups working together.
Her coupling duty was to keep the two teams talking.
4. A required task of fastening parts on a machine.
He finished his coupling duty before the machine started.