Source : Webster's Revised Unabridged Dictionary (1913)

   {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.

Fire \Fire\ (f[imac]r), n. [OE. fir, fyr, fur AS. f[=y]r; akin
   to D. vuur, OS. & OHG. fiur, G. feuer, Icel. f[=y]ri,
   f[=u]rr, Gr. py^r, and perh. to L. purus pure, E. pure Cf.
   {Empyrean}, {Pyre}.]
   1. The evolution of light and heat in the combustion of
      bodies; combustion; state of ignition.

   Note: The form of fire exhibited in the combustion of gases
         in an ascending stream or current is called flame.
         Anciently, fire, air, earth, and water were regarded as
         the four elements of which all things are composed.

   2. Fuel in a state of combustion, as on a hearth, or in a
      stove or a furnace.

   3. The burning of a house or town; a conflagration.

   4. Anything which destroys or affects like fire.

   5. Ardor of passion, whether love or hate; excessive warmth;
      consuming violence of temper.

            he had fire in his temper.            --Atterbury.

   6. Liveliness of imagination or fancy; intellectual and moral
      enthusiasm; capacity for ardor and zeal.

            And bless their critic with a poet's fire. --Pope.

   7. Splendor; brilliancy; luster; hence, a star.

            Stars, hide your fires.               --Shak.

            As in a zodiac representing the heavenly fires.
                                                  --Milton.

   8. Torture by burning; severe trial or affliction.

   9. The discharge of firearms; firing; as, the troops were
      exposed to a heavy fire.

   {Blue fire}, {Red fire}, {Green fire} (Pyrotech.),
      compositions of various combustible substances, as
      sulphur, niter, lampblack, etc., the flames of which are
      colored by various metallic salts, as those of antimony,
      strontium, barium, etc.

   {Fire alarm}
      (a) A signal given on the breaking out of a fire.
      (b) An apparatus for giving such an alarm.

   {Fire annihilator}, a machine, device, or preparation to be
      kept at hand for extinguishing fire by smothering it with
      some incombustible vapor or gas, as carbonic acid.

   {Fire balloon}.
      (a) A balloon raised in the air by the buoyancy of air
          heated by a fire placed in the lower part

Source : WordNet®

red fire
     n : combustible material (usually salts of lithium or strontium)
         that burns bright red; used in flares and fireworks