Dictionary.com
definitions

coprolite

[kop-ruh-lahyt]
noun
  1. a stony mass consisting of fossilized fecal matter of animals.

Origin of coprolite

First recorded in 1820–30; copro- + -lite
Related formscop·ro·lit·ic [kop-ruh-lit-ik] /ˌkɒp rəˈlɪt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for coprolite

coprolite

noun
  1. any of various rounded stony nodules thought to be the fossilized faeces of Palaeozic-Cenozoic vertebrates
Derived Formscoprolitic (ˌkɒprəˈlɪtɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for coprolite
n.

fossil dung, 1829, from copro- + -lite, from French, for -lithe, from Greek lithos "stone" (see litho-).

Online Etymology Dictionary, © 2010 Douglas Harper
coprolite in Science

coprolite

[kŏp′rə-līt′]
  1. Fossilized excrement. Analysis of the fossilized animal and plant remains within coprolites provides important information about the diet and environment of ancient biota.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.