
A cathole or cat hole or sometimes pighole is a pit for human feces. Catholes are frequently used for the purpose of disposing of bowel movements or waste water (such as the water from cleaning the kitchen dishes) by hikers and others engaging in outdoor recreation. Catholes must be located at a reasonable distance from water sources (rivers, lake...
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http://en.wikipedia.org/wiki/Cathole

A hole you dig 6 to 8 inches deep, into which you deposit solid human waste at least 200 feet from water, camp, and trails. Cover and camouflage the cathole when finished.
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http://www.americantrails.org/
No exact match found.