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poison hemlock

American  

noun

  1. hemlock.


poison hemlock British  

noun

  1. the US name for hemlock

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of poison hemlock

An Americanism dating back to 1810–20

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It differs from other plants mainly by its stem, as poison hemlock stem is hairless, smooth and with red to purple spots and streaks.

From Seattle Times • Jun. 7, 2024

Beware of the poison hemlock, an invasive weed so toxic it can be lethal, King County officials say.

From Seattle Times • Jun. 7, 2024

Although poison hemlock arrived in the Pacific Northwest more than 100 years ago, it was not until 2019 that King County began to track it.

From Seattle Times • Jun. 7, 2024

They are targeting Johnson grass, giant foxtail, Canada thistle, nodding thistle, common teasel, multiflora rose, Amur honeysuckle, poison hemlock, marestail, Japanese knotweed and kudzu.

From Washington Times • Mar. 18, 2021

Some of them, like the wild parsnip, poison hemlock, etc., are violent poisons, while others like the carrot are perfectly wholesome.

From Elements of Structural and Systematic Botany For High Schools and Elementary College Courses by Campbell, Douglas Houghton