To remove (impurities, as in a chemical solution); clarify.(verb-transitive)
To void (feces) from the bowels.(verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "defecate" in a sentence
"If the large intestine is not connected to the anus, the child cannot defecate, which is why Baby has to poop before going home from the hospital."
"It would be funny in an entirely different way if she intended to write "defecate," assuming the context would also be different (otherwise it wouldn't make sense)."
"-- Because it is based on a knowledge of the God-world; because her eyes were focused for the things 'on the other side of the sky'; because this world, for her, was a mere reflexion and thin concealment of the other, and the mists between her and the Divine 'defecate' constantly, in Coleridge's curious phrase, 'to a clear transparency.'"