defecate['defikeit]vi.1.■通(大)便,排粪,排泄2.■净化,澄清,变纯,除污vt.1.■澄清(糖液等),提净,提炼,滤净,纯化:to defecate a liquid澄清一种液体2.■清除,除去(污物)3.■从(肛门)排出[亦作defaecate]变形vi.defecateddefecating