'Snake's-head iris' definitions:

Definition of 'Snake's-head iris'

From: GCIDE
  • Snake's-head \Snake's"-head`\, n. (Bot.) The Guinea-hen flower; -- so called in England because its spotted petals resemble the scales of a snake's head. --Dr. Prior. [1913 Webster]
  • Snake's-head iris (Bot.), an iridaceous plant (Hermodactylus tuberosus) of the Mediterranean region. The flowers slightly resemble a serpent's open mouth. [1913 Webster]