night soil


noun

human excrement collected and used as fertilizer.

Origin of night soil

First recorded in 1765–75
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British Dictionary definitions for night soil

night soil


noun

human excrement collected at night from cesspools, privies, etc, and sometimes used as a fertilizer
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012