Source : Webster's Revised Unabridged Dictionary (1913)

Seraph \Ser"aph\, n.; pl. E. {Seraphs}, Heb. {Seraphim}. [Heb.
   ser[=a]phim, pl.]
   One of an order of celestial beings, each having three pairs
   of wings. In ecclesiastical art and in poetry, a seraph is
   represented as one of a class of angels. --Isa. vi. 2.

         As full, as perfect, in vile man that mourns, As the
         rapt seraph that adores and burns.       --Pope.

   {Seraph moth} (Zo["o]l.), any one of numerous species of
      geometrid moths of the genus {Lobophora}, having the hind
      wings deeply bilobed, so that they seem to have six wings.

Source : WordNet®

seraph
     n : an angel of the first order; usually portrayed as the winged
         head of a child
     [also: {seraphim} (pl)]