coition

noun

1. (uncountable, usually)Sexual intercourse.

   “their coition is made by supersaliency, like that of horses, as we are informed by some who have beheld them in that act”

   “A mare put to a stallion fell dead at the end of coition.”

   “Sex without the consummating act of coition is never quite sex, in human relationships: just as a eunuch is never quite a man.”

   “All sages and physicians agree in saying that the ills which afflict man originate with the abuse of coition.”