From Longman Dictionary of Contemporary Englishstrychninestrych‧nine /ˈstrɪkniːn $ -naɪn, -niːn/ noun [uncountable] MDa very poisonous substance sometimes used in small amounts as a medicine
Examples from the Corpus
strychnine• I brought my trick-or-treat candy to the school to check for razor blades and pins and strychnine.• Striking a match in a gas-filled room, sipping a glass of vodka and strychnine, that's what I call dangerous.• Whiskey with strychnine was said to produce an exceptionally crazy drunk.Origin strychnine (1800-1900) French Latin strychnos type of poisonous plant, from Greek 