from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The poison hemlock.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of the genus Conium of poisonous perennial herbaceous flowering plants.

from the GNU version of the Collaborative International Dictionary of English

  • n. A genus of biennial, poisonous, white-flowered, umbelliferous plants, bearing ribbed fruit (“seeds”) and decompound leaves.
  • n. The common hemlock (Conium maculatum, poison hemlock, spotted hemlock, poison parsley), a roadside weed of Europe, Asia, and America, cultivated in the United States for medicinal purpose. It is an active poison. The leaves and fruit are used in medicine.

from The Century Dictionary and Cyclopedia

  • n. A genus of umbelliferous plants, consisting of tall glabrous biennial herbs, with compound leaves and white-flowered umbels.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. small genus of highly toxic biennials: hemlock


Late Latin cōnium, from Greek kōneion, probably from kōna, liquid pitch.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From the genus name. (Wiktionary)


  • As far as we know she was poisoned by conium, which is one of the oldest, simplest forms known to man, and is simply another name for hemlock.

    Police at the Funeral

  • Precip. carbonate of iron, five drams; extract of conium, two drams; balsam Peru, one dram; oil cinnamon, twenty drops; simple syrup, eight ounces; pulverized gum arabic, two drams.

    The Ladies Book of Useful Information Compiled from many sources

  • _Local Action_, as seen in (a) corrosive poisons; (b) irritant poisons, causing congestion and inflammation of the mucous membranes -- _e. g._, metallic and vegetable irritants; (c) stimulants or sedatives to the nerve endings, as aconite, conium, cocaine.

    Aids to Forensic Medicine and Toxicology

  • Goodness knows how much conium was found in the poor girl.

    Sweet Danger

  • ‘He distilled the conium himself, I suppose?’ said Campion.

    Sweet Danger

  • “The deceased met her death by conium poisoning, but there is not sufficient evidence to show whether it was self-administered or not.”

    Police at the Funeral

  • ‘Personally,’ said Mr Campion, taking off his glasses, ‘I don’t see how it could have been a genuine mistake if the poison was conium.

    Police at the Funeral

  • That sister promptly died from the homely conium poison, traces of which I have no doubt will be found in the cup.

    Police at the Funeral

  • If morphine or conium was substituted for the last one of these pellets there may be some traces of it left.

    Police at the Funeral

  • As to the actual facts, theorizing apart, Doctor Lavrock has diagnosed acute conium poisoning, and the remains of the dose which Julia took are probably in that cup.

    Police at the Funeral


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