SNAKEHEAD
shellflower, shell-flower, turtlehead, snakehead, snake-head, Chelone glabra
(noun) showy perennial of marshlands of eastern and central North America having waxy lanceolate leaves and flower with lower part creamy white and upper parts pale pink to deep purple
Source: WordNet® 3.1
Etymology
Noun
snakehead (plural snakeheads)
(fish) A family of perciform fish native to Africa and Asia, Channidae.
(slang) A Chinese smuggler, especially one who smuggles people
A showy perennial plant, Chelone glabra, found in North American marshlands; the turtlehead
A loose, bent-up end of one of the strap rails, or flat rails, formerly used on American railroads. It was sometimes so bent by the passage of a train as to slip over a wheel and pierce the bottom of a car.
The guinea-hen flower, Fritillaria meleagris.
Source: Wiktionary
Snake"head`, n.
1. A loose, bent-up end of one of the strap rails, or flat rails,
formerly used on American railroads. It was sometimes so bent by the
passage of a train as to slip over a wheel and pierce the bottom of a
car.
2. (Bot.)
(a) The turtlehead.
(b) The Guinea-hen flower. See Snake's-head, and under Guinea.
Source: Webster’s Unabridged Dictionary 1913 Edition