coupled
adjectiveUK /ˈkʌp.əld/
US /ˈkʌp.əld/
Joined or connected together.
The two train cars were coupled together.
OTHER MEANINGS
2. Two people who are in a romantic relationship.
The coupled guests danced all night.
3. Combined with something else.
Coupled with the rain, the cold made the day miserable.
4. In physics, joined so that two systems affect each other.
The coupled pendulums swung in sync.