from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a hard mass of fecal matter
Sorry, no etymologies found.
Your opinion on the subject has the significance of a fecalith in the Circle of Willis.
I'll give you an example: someone dear to me suffered a fecalith escaping and lodging in his peritoneum following an appendectomy.
Nicholas D. Kristof 2009