Noun
The act of coupling or joining; union; conjunction.
The coming together of male and female in the act of generation; sexual union; coition.
Source: Webster's dictionaryMost of the people who get sent to die in wars are young men who've got a lot of energy and would probably rather, in a better world, be putting that energy into copulation rather than going over there and blowing some other young man's guts out. Alan Moore
Storytelling and copulation are the two chief forms of amusement in the South. They're inexpensive and easy to procure. Robert Penn Warren
Thus, in pornographic novels, action has to be limited to the copulation of clichés. Vladimir Nabokov
Copulation is no more foul to me than death is. Walt Whitman
Wit is the unexpected copulation of ideas. Patrick O'Brian
What's the point of a revolution without general copulation copulation copulation. Peter Weiss