Source : Webster's Revised Unabridged Dictionary (1913)

Colorado \Col`o*ra"do\, a. [Sp., red.]
   1. Reddish; -- often used in proper names of rivers or
      creeks. [Southwestern U. S.]

   2. Medium in color and strength; -- said of cigars. [Cant]

Source : WordNet®

Colorado
     n 1: a state in west central United States in the Rocky Mountains
          [syn: {Centennial State}, {CO}]
     2: a river in Texas; flows southeast into the Gulf of Mexico
        [syn: {Colorado River}]
     3: a river in southwestern United States; rises in the Rocky
        Mountains of northern Colorado and flows southwest through
        Utah into Arizona (where it flows through the Grand
        Canyon) and then southward forming the border between
        California and Arizona and finally into Mexico where it
        empties into the Gulf of California; an important source
        of water in the southwestern United States [syn: {Colorado
        River}]