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[def-i-keyt] /ˈdɛf ɪˌkeɪt/
verb (used without object), defecated, defecating.
to void excrement from the bowels through the anus; have a bowel movement.
to become clear of dregs, impurities, etc.
verb (used with object), defecated, defecating.
to clear of dregs, impurities, etc.; purify; refine.
Origin of defecate
1565-75; < Latin dēfaecātus (past participle of dēfaecāre to cleanse, refine), equivalent to dē- de- + faec- (stem of faex dregs, sediment) + -ātus -ate1
Related forms
defecation, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for defecation
Historical Examples
British Dictionary definitions for defecation


(intransitive) to discharge waste from the body through the anus
(transitive) to clarify or remove impurities from (a solution, esp of sugar)
Derived Forms
defecation, defaecation, noun
defecator, defaecator, noun
Word Origin
C16: from Latin dēfaecāre to cleanse from dregs, from de- + faex sediment, dregs
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
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Word Origin and History for defecation

1620s, from Late Latin defecationem (nominative deficatio), from defecat-, past participle stem of Latin defecare (see defecate). An Old English word for "bowel movement" was arse-gang literally "arse-going."



1570s, "to purify," from Latin defaecatus, past participle of defaecare "cleanse from dregs, purify," from the phrase de faece "from dregs" (plural faeces; see feces). Excretory sense first recorded 1830 (defecation), American English, from French. Related: Defecated; defecating.

Online Etymology Dictionary, © 2010 Douglas Harper
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defecation in Medicine

defecate def·e·cate (děf'ĭ-kāt')
v. def·e·cat·ed, def·e·cat·ing, def·e·cates
To void feces from the bowels.

def'e·ca'tion n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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