• WordNet 3.6
    • n coition the act of sexual procreation between a man and a woman; the man's penis is inserted into the woman's vagina and excited until orgasm and ejaculation occur
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Webster's Revised Unabridged Dictionary
    • n Coition A coming together; sexual intercourse; copulation.
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Century Dictionary and Cyclopedia
    • n coition A coming together; a meeting. Specifically
    • n coition Sexual congress; copulation.
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Chambers's Twentieth Century Dictionary
    • n Coition kō-ish′un sexual intercourse.
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Webster's Revised Unabridged Dictionary
L. coitio, fr. coire, to come together; co-, + ire, to go
Chambers's Twentieth Century Dictionary
L. coitioco-, together, īre, ītum, to go.


In literature:

So, after the act of coition is over, let the woman slip a "bandage" into place as soon as possible, and go to sleep.
"Sane Sex Life and Sane Sex Living" by H.W. Long
She told me coition always hurt her, and she said it made her sick to see her husband nude.
"Studies in the Psychology of Sex, Volume 3 (of 6)" by Havelock Ellis
The coition of lovers in the springtime will be the one religious ceremony they will allow themselves.
"Studies in the Psychology of Sex, Volume 6 (of 6)" by Havelock Ellis
This, therefore, we are especially to lay down as a principle, that coition is not for the sake of pleasure.
"Memoir, Correspondence, And Miscellanies, From The Papers Of Thomas Jefferson" by Thomas Jefferson
The emission of sperm in coition.
"The People's Common Sense Medical Adviser in Plain English" by R. V. Pierce
That is to say, the act of coition is the essential clue to sex.
"Fantasia of the Unconscious" by D. H. Lawrence
Coition is a frequent cause.
"Special Report on Diseases of the Horse" by United States Department of Agriculture
Coition, the one important act of all others, carrying with it the most vital results, is usually committed for selfish gratification.
"Searchlights on Health: Light on Dark Corners" by B.G. Jefferis
Satiated, sick of them, yet I continued to frequent them for the simple carnal pleasure of coition.
"My Secret Life, Volumes I. to III." by Anonymous
The sex act is called by various names, such as coitus, coition, copulation, cohabitation, sex-intercourse, the sex-embrace, etc.
"The Sex Side of Life" by Mary Dennett