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Webster 1913 Edition

Noun.

That which cleanses or purifies; esp., an apparatus for removing the feculencies of juices and sirups.

Knight.

defecator ‎(plural defecators)

One who defecates.
- 1999 February 12, Chuck Shepherd, “News of the Weird”, in Chicago Reader:
  Number two in the news: In January police in New Waterford, Nova Scotia, were investigating a suspected serial defecator who had soiled three locations around town during the holiday season, including the floor of a recreation center.
(archaic) That which cleanses or purifies; especially, an apparatus for removing impurities from juices and syrups.
- 1884, Peter Collier, Sorghum (page 293)
  After the preliminary filtering or settling of the juice, it is taken into the defecator, and there receives the treatment with lime.

dēfecātor