verb (used without object), def·e·cat·ed, def·e·cat·ing.
verb (used with object), def·e·cat·ed, def·e·cat·ing.
Origin of defecate
Word Origin for defecate
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.