Definition of "copulation" [cop•u•la•tion]

• The act of coupling or joining; union; conjunction. (noun)
• The coming together of male and female in the act of generation; sexual intercourse; coition. (noun)

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• "In other words, the more vasopressin in the brain, the more male voles want to stick around and mingle with the female after copulation is through."
• "308 Complete ablution is rendered necessary chiefly by the emission of semen either in copulation or in nocturnal pollution."
• "“What if you get AIDS?” she fretted, completely ignorant of or at least neglecting the fact that female-female copulation is virtually STD-transmission-free, fully focused on AIDS as “the gay disease” or, at the very least, “the promiscuous people’s disease,” and naturally since I am bisexual I’m also promiscuous, because all true bisexuals are."