交配

交配	jiāo pèi	mating / copulation (esp. of animals)
交	jiāo	to hand over; to deliver; to pay (money); to turn over / to make friends / (of lines) to intersect / variant of 跤
配	pèi	to join / to fit / to mate / to mix / to match / to deserve / to make up (a prescription) / to allocate