Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. Rat poison, especially arsenic trioxide.
Century Dictionary and Cyclopedia
- n. Rat-poison. Arsenious acid is often so called.
- n. A plant, Chailletia toxicaria. See rat-poison, 2.
- To poison with ratsbane.
Wiktionary
GNU Webster's 1913
- n. Rat poison; white arsenic.
WordNet 3.0
- n. a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
Etymologies
- From rat's + bane. Compare henbane. (Wiktionary)
Examples
“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.”
“We spend some time with "The Shakespeare Insult Kit," which offers choice adjectives and nouns from the Bard's work that one can configure in any number of combinations, such as "thou dankish, fat-kidneyed moldwarp" or "thou mammering, onion-eyed ratsbane.”
“I had as lief they would put ratsbane in my mouth as offer to stop it with security.”
“Roaring Ralph Stackpole, its natural ugliness greatly increased by countless scratches and spots of blood, the result of his leap down the ledge of rocks, when first set upon by the Indians, and his eyes squinting daggers and ratsbane, especially while he was giving utterance to that gallinaceous slogan with which he was wont to express his appetite for conflict, and with which he now concluded his unceremonious salutation.”
“How many souls have they been the means of destroying by their ignorance and corrupt doctrine? preaching that which was no better for their souls than ratsbane to the body, for filthy lucre's sake.”
“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.”
Domestic Cookery, Useful Receipts, and Hints to Young Housekeepers
“If his Lordship had sent me an infusion of ratsbane in the loving-cup, I should have taken it much more kindly at his hands.”
“All possible endeavours were used also to destroy the mice and rats, especially the latter, by laying ratsbane and other poisons for them, and a prodigious multitude of them were also destroyed.”
“The news that Blair was coming to the evening meal was highly disconcerting, and the worried cook even contemplated the possibility of doctoring the American's plate of soup with ratsbane or hemlock.”
“Who gives anything to poor Tom? whom the foul fiend hath led through fire and through flame, through ford and whirlpool, oer bog and quagmire; that hath laid knives under his pillow, and halters in his pew; set ratsbane by his porridge; made him proud of heart, to ride on a bay trotting-horse over four-inched bridges, to course his own shadow for a traitor.”
Lists
These user-created lists contain the word ‘ratsbane’.
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Rats
rats, rat, tree-rat, pilori-rat, prorate, pro rata, Ratso Rizzo, ratfink, rat pack, Rat Pack, Rats!, rat race and 157 more...
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Banes
bugbane, fleabane, daisy fleabane, wolfbane, wolfsbane, hare's-bane, wolf's-bane, bear's-bane, badger's-bane, henbane, ratsbane, dogbane and 15 more...
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135 Offensive Shakespearean Terms
135 Offensive Shakespearean Terms =)
artless, baggage, barnacle, bawdy, beef-witted, bladder, boil-brained, bootless, brazen, cankerblossom, churlish, churrish and 123 more...
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Gil Blas
Interesting words and usages from Smollett's 1749 translation of Lesage's L'Histoire de Gil Blas de Santillane
reck, durance, rhodomontade, hangdog, trap, lustre, pin, boggle, dandle, birthday suit, colic, gripes and 238 more...
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Slings and Arrows: Shakespearean Insults
artless, baudy, beslubbering, bootless, churlish, cockered, clouted, craven, dankish, dissembling, droning, errant and 116 more...
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King Lear
Some less-than-common words, significant themes, or excellent phrases from my favourite play.
moiety, brazed, champain, felicitate, interess, propinquity, betwixt, sith, forevouch, wat'rish, benison, ingraff and 111 more...
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The Glassworks
filigree-glass, vitro-di-trina, reticulated glass, latticinio, schmelze, swing-table, cullet, ratsbane, eskalith, fly-frame, polissoir, flattener and 158 more...
Tweets
Looking for tweets for ratsbane.

yarb Heaven and earth! he is a man of the nicest scruples in money matters. Not one of your shabby fellows, always spunging upon his friends, and ready to take up money wherever he can get it! Running in debt is ratsbane to him.
- Lesage, The Adventures of Gil Blas of Santillane, tr. Smollett, bk 5 ch. 1 Sep 19, 2008