||Mor"pho (?), n. [NL., fr. Gr. &?;, an epithet of Venus.] (Zoöl.) 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.