poison hemlock

noun

: a large European biennial poisonous herb (Conium maculatum) of the carrot family that is naturalized in the U.S. and has finely divided leaves and small white flowers compare water hemlock

Examples of poison hemlock in a Sentence

Recent Examples on the Web

How do poison hemlock and wild parsnip harm humans? —Mariyam Muhammad, The Enquirer, 30 May 2024

Why are poison hemlock and wild parsnip bad for Ohio? —Mariyam Muhammad, The Enquirer, 30 May 2024

Related Articles Different kinds of toxic plants cause gastrointestinal distress, like azaleas and rhododendrons, and some are deadly, such as poison hemlock, aconite/monkshood, castor bean seeds and Nicotiana glauca. —Sara Okeefe, The Mercury News, 16 Mar. 2024

The thick layer of mulch blocks sunlight from reaching seeds of invasive weeds such as Italian thistle, poison hemlock and Cape ivy that would otherwise quickly take over. —Alix Soliman, Hartford Courant, 3 Jan. 2024

Word History

First Known Use

1757, in the meaning defined above

Rhymes for poison hemlock

• electroshock
• aftershock
• antiknock
• arawak
• hollyhock
• interlock
• isopach
• manioc
• shuttlecock
• tomahawk
• weathercock
• alcock

Medical Definition

poison hemlock

noun

1

: a large European poisonous herb of the genus Conium (C. maculatum) that is naturalized in the U.S. and has finely divided leaves and white flowers

2

: water hemlock