Coupling
WordNet
noun
(1) The act of pairing a male and female for reproductive purposes
"The casual couplings of adolescents"
"The mating of some species occurs only in the spring"
(2) A mechanical device that serves to connect the ends of adjacent objects
(3) A connection (like a clamp or vise) between two things so they move together
WiktionaryText
Noun
- the act of joining together to form a couple
- a device that couples two things together
- sexual intercourse
- a connection between two electronic circuits such that a signal can pass between them
- The property of physical systems that they are interacting with each other.