#second_stomach__reticulum  the second compartment of the stomach of a ruminant
  supertype:  #tummy__stomach__tum__breadbasket  an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion
  part of:  #ruminant  any of various cud-chewing hoofed mammals having a stomach divided into four (occasionally three) compartments

No statement uses or specializes #second_stomach; click here to add one.