DEFECATE

[def.e.cate] vb -cat.ed ; -cat.ing [L defaecatus, pp. of defaecare, fr. de- + faec-, faex dregs, lees] vt (1575) 1: to free from impurity or corruption

2: to discharge from the anus ~ vi: to discharge feces from the bowels -- def.e.ca.tion n