Not quite right?
"Search similar patterns."
R_______
Definitions
Arsenic trioxide, formerly used as rat poison.
Word origin
From rat's + bane. Compare henbane.
Used in a sentence
“The Gadfly’s venom, fifty times distilled, Is mingled with the vomit of the Leech, In due proportion, and black ratsbane, which That very Rat, who, like the Pontic tyrant, Nurtures himself on poison, dare not touch;—”
“Before him set the grim baron, with a face worthy of the father of such a daughter, and looking daggers and rat's bane.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer0 curated clues
No curated clues for ratsbane yet.