Definition of excreta noun from the Oxford Advanced Learner's Dictionary

 

excreta

 noun
noun
BrE BrE//ɪkˈskriːtə//
 
; NAmE NAmE//ɪkˈskriːtə//
 
[uncountable](formal)
 
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solid and liquid waste matter passed from the body human excreta Word Origin mid 19th cent.: from Latin, ‘things sifted out’, neuter plural of excretus, past participle of excernere, from ex- ‘out’ + cernere ‘sift’.
See the Oxford Advanced American Dictionary entry: excreta