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wolfsbane

American  
[woolfs-beyn] / ˈwʊlfsˌbeɪn /

noun

  1. any of several plants in the aconite genus Aconitum, including A. lycoctonum, bearing stalks of hood-shaped purplish-blue flowers, the monkshood A. napellus, which yields a poisonous alkaloid used medicinally, and numerous garden varieties in various colors.


wolfsbane British  
/ ˈwʊlfsˌbeɪn /

noun

  1. any of several poisonous N temperate plants of the ranunculaceous genus Aconitum, esp A. lycoctonum, which has yellow hoodlike flowers

"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 wolfsbane

1540–50; wolf + 's 1 + bane

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.

Monkshood is also known as wolfsbane, which Harry Potter fans might recognize as a potion brewed to calm werewolves.

From Seattle Times

Aconite, also known as monkshood, helmet flower or wolfsbane, is used in Asian herbal medicines.

From The Guardian

Ever since a cave man reached too quickly for a spear, hamstring strains have been the wolfsbane of warriors — weekend and otherwise.

From Los Angeles Times

“What is the difference, Potter, between monkshood and wolfsbane?”

From Literature

In ramrodding an outfit to market, or seeing a plan to completion, all must stand clear of brackish water, wolfsbane and loco weed.

From Project Gutenberg