from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A perennial North American herb (Oxypolis rigidior) having pinnately compound leaves and umbels of small white flowers.
- n. Any of several related plants, such as the water hemlock.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of several related poisonous plants of the genus Cicuta; especially the water hemlock
from the GNU version of the Collaborative International Dictionary of English
- n. A poisonous umbelliferous plant; in England, the Cicuta virosa; in the United States, the Cicuta maculata and the Archemora rigida. See water hemlock.
from The Century Dictionary and Cyclopedia
- n. A popular name of the Cicuta virosa, or water-hemlock: so named from its supposed injurious effect upon cows. See Cicuta.
- n. An American umbelliferous swamp-plant, Oxypolis rigidior, ranging from New York to Florida and westward to Minnesota and Louisiana, supposed to be poisonous to cattle. Also called hemlock-dropwort: and water-dropwort. See cut in middle column.
Sorry, no etymologies found.