cow parsnip
n.
A tall perennial North American herb (Heracleum maximum) in the parsley family, having large compound leaves and compound umbels of small whitish flowers.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
cow parsnip
n
(Plants) any tall coarse umbelliferous plant of the genus Heracleum, such as H. sphondylium of Europe and Asia, having thick stems and flattened clusters of white or purple flowers. Also called: hogweed or keck
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
cow′ pars`nip
n.
any of several tall, coarse plants of the genus Heracleum, of the parsley family, having large, flat heads of tiny white flowers.
[1540–50]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
| Noun | 1. |  cow parsnip - tall coarse plant having thick stems and cluster of white to purple flowersherb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests genus Heracleum, Heracleum - widely distributed genus of plants with usually thick rootstocks and large umbels of white flowers |
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