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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.

See Examples For:

If there are rat holes have them stopped with pieces of brick, and broken glass bottles; never use ratsbane without the greatest caution, as it is a dangerous remedy.

From Domestic Cookery, Useful Receipts, and Hints to Young Housekeepers by Elizabeth E. (Elizabeth Ellicott) Lea

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

From Compound Words Typographic Technical Series for Apprentices #36 by Frederick W. (Frederick William) Hamilton

Resager is ratsbane or arsenic. ffyftlye You expounde not Resager, beinge a terme of Alchymye; as you leave manye of them vntouched.

From Animaduersions uppon the annotacions and corrections of some imperfections of impressiones of Chaucer's workes 1865 edition by G. H. (George Henry) Kingsley

I will, mine old Albumazar—I will, my trusty vender of ratsbane.

From Kenilworth by Sir Walter Scott

I     had as lief they would put ratsbane in my mouth as offer to stop     it with security.

From The Complete Works of William Shakespeare by William Shakespeare

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