n.1.(Bot.) The Guinea-hen flower; - so called in England because its spotted petals resemble the scales of a snake's head.
Snake's-head iris
(Bot.) an iridaceous plant (Hermodactylus tuberosus) of the Mediterranean region. The flowers slightly resemble a serpent's open mouth.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
You can also make an area of grass look more natural with bulbs such as daffodils, crocus and snake's-head fritillaries.
You're one of the man famous squadrons who fight with "flying cannon." Your snake's-head insignia is symbolic of your fighting spirit and of the deadly Fire-Power in the noses of your ships!
Look out also for his stunning blood-red snake's-head fritillaries, along with cultivated bluebells and speciality wood anemones.