(n) 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, Syn. shell-flower, turtlehead, Chelone glabra, snakehead, snake-head
‖n. [ Gr. chelw`nh a tortoise. So named from shape of the upper lip of the corolla. ] (Bot.) A genus of hardy perennial flowering plants, of the order Scrophulariaceæ, natives of North America; -- called also snakehead, turtlehead, shellflower, etc. [ 1913 Webster ]
n. an order comprising the false scorpions. Syn. -- order Chelonethida, Pseudoscorpionida, order Pseudoscorpionida, Pseudoscorpiones, order Pseudoscorpiones. [ WordNet 1.5 ]