A concretion; a deposit of calcareous material in a part. ... Origin: L. Con-cresco, to grow together ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
Con'cre·ment noun [ Latin concrementum , from concrescere . See Concrete .] A growing together; the collection or mass formed by concretion, or natural union. [ Obsolete] « The concrement of a pebble or flint. Sir M. Hale » Found on http://www.encyclo.co.uk/webster/C/129