In the common trout, the stomach is uncommonly strong and muscular, shell-fish forming a portion of the food of the animal; and it takes into its stomach gravel or small stones in order to assist in Comminuting it.
"The Book of Household Management"
Mrs. Isabella Beeton
Indirect, remote, or accidental functions of a hammer may be Comminuting, forging, driving, etc.
"The Classification of Patents"
United States Patent Office