The Collaborative International Dictionary
Concrement
Concrement \Con"cre*ment\, n. [L. concrementum, fr. concrescere. See Concrete.] A growing together; the collection or mass formed by concretion, or natural union. [Obs.]
The concrement of a pebble or flint.
--Sir M. Hale
Wiktionary
concrement
n. (context obsolete English) concretion