red dog

1 definition found

red dog - Collaborative International Dictionary of English v.0.48 :

  Red dog \Red dog\, or Red-dog flour \Red`-dog" flour\
     The lowest grade of flour in milling. It is dark and of
     little expansive power, is secured largely from the germ or
     embryo and adjacent parts, and contains a relatively high
     percentage of protein. It is chiefly useful as feed for farm
     animals.
     [Webster 1913 Suppl.]