| Elleborin | n. See Helleborin. [ 1913 Webster ] |
| Helleborin | n. (Chem.) A poisonous glucoside found in several species of hellebore, and extracted as a white crystalline substance with a sharp tingling taste. It possesses the essential virtues of the plant; -- called also |
| epipactis helleborine | (n) European orchid with spikes of green and pinkish or purplish flowers |
| helleborine | (n) any of various orchids of the genus Epipactis |
| helleborine | (n) any of several orchids of the genus Cephalanthera |
| red helleborine | (n) orchid of Mediterranean and Asia having a lax spike of bright rose-pink flowers, Syn. Cephalanthera rubra |
| rattlesnake plantain | (n) any of several small temperate and tropical orchids having mottled or striped leaves and spikes of small yellowish-white flowers in a twisted raceme, Syn. helleborine |
| stream orchid | (n) orchid growing along streams or ponds of western North America having leafy stems and 1 greenish-brown and pinkish flower in the axil of each upper leaf, Syn. chatterbox, giant helleborine, Epipactis gigantea |
| Elleborin | n. See Helleborin. [ 1913 Webster ] |
| Helleborin | n. (Chem.) A poisonous glucoside found in several species of hellebore, and extracted as a white crystalline substance with a sharp tingling taste. It possesses the essential virtues of the plant; -- called also |