Source : Webster's Revised Unabridged Dictionary (1913)

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