"pairings" in the noun sense
1. coupling, mating, pairing, conjugation, union, sexual union
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. pairing
the act of grouping things or people in pairs
Source: WordNet® (An amazing lexical database of English)
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