Source : Webster's Revised Unabridged Dictionary (1913)

Morpho \Mor"pho\, n. [NL., fr. Gr. ?, an epithet of Venus.]
   (Zo["o]l.)
   Any one of numerous species of large, handsome, tropical
   American butterflies, of the genus {Morpho}. They are noted
   for the very brilliant metallic luster and bright colors
   (often blue) of the upper surface of the wings. The lower
   surface is usually brown or gray, with eyelike spots.