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ratsbane

American  
[rats-beyn] / ˈrætsˌbeɪn /

noun

  1. rat poison.

  2. the trioxide of arsenic.


ratsbane British  
/ ˈrætsˌbeɪn /

noun

  1. rat poison, esp arsenic oxide

"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 ratsbane

First recorded in 1515–25; rat + '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.

Oh! when I remember that, while I sit here in comfort, perhaps my poor boy lies dead in some savage place: and all along of that girl: there, her very name is ratsbane to me.

From Project Gutenberg

They are hyphenated unless very common, in which case they are closed up; crane’s-bill, ratsbane.

From Project Gutenberg

For my own part, I would as lief they would put ratsbane in my mouth as the ‘excellency’ with which I am daily crammed.

From Project Gutenberg

Early in June Judith, walking in the wood, brought home the splendid red wood lily, and a cluster too of “ratsbane,” with its flowers like a little crown of white wax.

From Project Gutenberg

It is the double-distilled extract of nux vomica, ratsbane, and adder's tongue.

From Project Gutenberg