Meaning : A connection (like a clamp or vise) between two things so they move together.
Synonyms : yoke
Meaning : A mechanical device that serves to connect the ends of adjacent objects.
Synonyms : coupler
Meaning : The act of pairing a male and female for reproductive purposes.
Example :
The casual couplings of adolescents.
The mating of some species occurs only in the spring.
Synonyms : conjugation, mating, pairing, sexual union, union