water hemlock


: a tall poisonous Eurasian perennial herb (Cicuta virosa) of the carrot family
also : any of several poisonous North American plants (especially Cicuta maculata and C. douglasii) of the same genus compare poison hemlock

Example Sentences

Recent Examples on the Web Due to their similar names, the deadlier western water hemlock is sometimes confused with poison hemlock. Camille Fine, USA TODAY, 30 June 2021 Convulsions are a common sign of western water hemlock poisoning, although convulsions have been reported in poison hemlock poisoning. Camille Fine, USA TODAY, 30 June 2021 Here is a link with pictures of hemlock and the water hemlock for your review. oregonlive, 29 May 2022 Environmental scientists confirmed that poison hemlock and spotted water hemlock were located in Sussex County wetlands, according to a news release from the agency. From Usa Today Network And Wire Reports, USA TODAY, 8 July 2021 Western water hemlock, meanwhile, has a feather-like appearance with a bulbous root. oregonlive, 29 June 2021 Poison hemlock and Western water hemlock can kill humans and livestock. oregonlive, 29 June 2021 Wildflowers line a meadow that holds many of the state's most important natural treasures and leads into an even deeper sanctuary of blossoming water hemlock, elderberry trees, oaks and azaleas. Jessica Saggio | Contributing Writer, NOLA.com, 24 Aug. 2020 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'water hemlock.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1597, in the meaning defined above

Time Traveler
The first known use of water hemlock was in 1597

Dictionary Entries Near water hemlock

Cite this Entry

“Water hemlock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/water%20hemlock. Accessed 7 Dec. 2022.

Medical Definition

water hemlock


: a tall poisonous Eurasian perennial herb of the genus Cicuta (C. virosa) that is locally abundant in marshy areas or along streams
also : any of several poisonous North American plants of the genus Cicuta (as spotted cowbane)

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