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"
the act of grouping things or people in pairs
"The teacher spent the first ten minutes pairing students so they could work on their group projects together."
The combination or union of two things.
"The unexpected pairing of spicy curry and mint chocolate chip ice cream created a surprising flavor profile that everyone loved."
present participle of pair
"As we walked through the garden, I noticed a bird carefully pairing its feathers before taking flight."