Red chalk. See under Chalk.

Red copper (Min.), red oxide of copper; cuprite.

Red coral (Zo["o]l.), the precious coral (Corallium rubrum). See Illusts. of Coral and Gorgonlacea.

Red cross. The cross of St. George, the national emblem of the English.
   (b) The Geneva cross. See Geneva convention, and Geneva cross, under Geneva.

Red currant. (Bot.) See Currant.

Red deer. (Zo["o]l.)
   (a) The common stag (Cervus elaphus), native of the forests of the temperate parts of Europe and Asia. It is very similar to the American elk, or wapiti.
   (b) The Virginia deer. See Deer.

Red duck (Zo["o]l.), a European reddish brown duck (Fuligula nyroca); -- called also ferruginous duck.

Red ebony. (Bot.) See Grenadillo.

Red empress (Zo["o]l.), a butterfly. See Tortoise shell.

Red fir (Bot.), a coniferous tree (Pseudotsuga Douglasii) found from British Columbia to Texas, and highly valued for its durable timber. The name is sometimes given to other coniferous trees, as the Norway spruce and the American Abies magnifica and A. nobilis.

Red fire. (Pyrotech.) See Blue fire, under Fire.

Red flag. See under Flag.

Red fox (Zo["o]l.), the common American fox (Vulpes fulvus), which is usually reddish in color.

Red grouse (Zo["o]l.), the Scotch grouse, or ptarmigan. See under Ptarmigan.

Red gum, or Red gum-tree (Bot.), a name given to eight Australian species of Eucalyptus (Eucalyptus amygdalina, resinifera, etc.) which yield a reddish gum resin. See Eucalyptus.

Red hand (Her.), a left hand appaum['e], fingers erect, borne on an escutcheon, being the mark of a baronet of the United Kingdom of Great Britain and Ireland; -- called also Badge of Ulster.

Red herring, the common herring dried and smoked.

Source: Webster's Revised Unabridged Dictionary (1913)