• WordNet 3.6
    • n defecation the elimination of fecal waste through the anus
    • ***
Webster's Revised Unabridged Dictionary
    • Defecation The act of separating from impurities, as lees or dregs; purification.
    • Defecation (Physiol) The act or process of voiding excrement.
    • ***
Century Dictionary and Cyclopedia
    • n defecation The act or process of separating from lees or dregs; a cleansing from impurities or foreign matter; clarification.
    • n defecation The act of discharging the fæces; the act of evacuating the bowels.
    • n defecation Figuratively, purification from what is gross or low.
    • ***


Webster's Revised Unabridged Dictionary
L. defaecatio,: cf. F. défécation,


In literature:

Underneath the roof is an opening in the earth where the people defecate.
"The Bontoc Igorot" by Albert Ernest Jenks
This defecator is a copper pan, eleven feet long and about three feet wide.
"Scientific American Supplement No. 360, November 25, 1882" by Various
The acts of urination and defecation.
"Studies in the Psychology of Sex, Volume 5 (of 6)" by Havelock Ellis
It does not concern him that he will soil his bed; all he cares for is not to lose the subsidiary pleasure while defecating.
"Three Contributions to the Theory of Sex" by Sigmund Freud
F., and defecated with hydrate of baryta and milk of lime.
"Scientific American Supplement, No. 832, December 12, 1891" by Various
Involuntary urination and defecation.
"Studies in Forensic Psychiatry" by Bernard Glueck
In well developed cases, the animal strains to defecate, and passes shreds of intestinal mucous along with blood-stained feces.
"The Veterinarian" by Chas. J. Korinek
A pure heart is one that has been defecated and cleansed from the impurities which naturally attach to human affections.
"Expositions of Holy Scripture" by Alexander Maclaren
Physiologically, or in a normal state, the rectum is not a receptacle for liquids and feces but a conduit during the act of defecation.
"Intestinal Ills" by Alcinous Burton Jamison
As a result of this injury the patient may have severe pain on sitting or walking, and during defecation.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition." by Alexander Miles

In news:

After being defecated, the droppings are washed until clean, the yellow husks are removed, and the beans are lightly roasted.
Courtesy photo Jason Bateman in a rare shot from "The Change-Up" where blatant defecation isn't occurring.
It is a mess, another thing is our park, the people who walk their dogs on the walkway and let them defecate on the stones.
Oregon mailman suspended for defecating in yard on his route.
Kooks are of the frightening, defecating-in-public variety, Frank Chu is quite the Dapper Dan.
"I like to smoke while I defecate in the morning," shared Long, 31, of Passaic, NJ.
A city utility drop box located in between City of Las Cruces City Hall and Branigan Memorial Library was vandalized over the weekend after someone reportedly defecated in the box.
Juveniles break in to Hillside Children's Center cafeteria, urinate and defecate on floor.
Juveniles break into Hillside Children's Center cafeteria, urinate and defecate on floor.
A man said his neighbor walks her dog by his residence every day and lets the dog urinate and defecate on his plants.
Since its debut about a month ago, police have repeatedly been called to the scene due to people defecating, urinating and bathing in the tail.
I can't help but think of the thousands of people in public housing still living without heat, water and electricity, having to defecate in buckets then carry it down flights of stairs in the dark.
Clay confronts Doug (Christopher Robinson), whose dog regularly defecates on the former's lawn.
This disease has an exotic name, an unseemly mode of transmission involving parasites and defecating bugs and severe health consequences for those who are chronically infected.
My old male cat became incontinent and urinated and defecated on my hardwood floors.

In science:

S 1 , S 2 ) ∈ Ξ{i} S , de fined in (14), denote any disjoint partitions of the defec tive set S1 with cardinalities i and K − i, respectively.
Boolean Compressed Sensing and Noisy Group Testing