Search the Dictionary

The name of several poisonous umbelliferous herbs having finely cut leaves and small white flowers, as the Cicuta maculata, bulbifera, and virosa, and the Conium maculatum. See Conium.

A plant of the genus Hyoscyamus (H. niger). All parts of the plant are poisonous, and the leaves are used for the same purposes as belladonna. It is poisonous to domestic fowls; whence the name. Called also, stinking nightshade, from the fetid odor of the plant. See Hyoscyamus.

(Bot.), an Old World plant related to the trillium (Paris quadrifolia), commonly reputed poisonous. -- Herb Robert (Bot.), a species of Geranium (G. Robertianum.)

Dipped in the gall of the fabulous hydra; poisonous; deadly. Cowper.

A diseased condition produced by poisoning with hydrargyrum, or mercury; mercurialism.

ile liquid, HCN, having a characteristic peach-blossom odor. It is one of the most deadly poisons. It is made by the action of sulphuric acid on yellow prussiate of potassium (potassium ferrocyanide), and chemically resembles hydrochloric and hydrobromic acids. Called also prussic acid, hydrogen cyanide, etc.…

to hydrophobia; producing or caused by rabies; as, hydrophobic symptoms; the hydrophobic poison.

substance, with a sharp, offensive taste. Hyoscyamine is isomeric with atropine, is very poisonous, and is used as a medicine for neuralgia, like belladonna. Called also hyoscyamia, duboisine, etc.

A genus of poisonous plants of the Nightshade family; henbane.

The act or process of imbibing, or absorbing; as, the post- mortem imbibition of poisons. Bacon.

An arrow poison, made from an apocynaceous plant (Strophanthus hispidus) of the Gaboon country; -- called also onaye.

To defame; to make infamous. [Obs.] Milton. Livia is infamed for the poisoning of her husband. Bacon.

ent and molest or harass; as, fleas infest dogs and cats; a sea infested with pirates. To poison vermin that infest his plants. Cowper. These, said the genius, are envy, avarice, superstition, love, with the like cares and passions that infest human life. Addison. And the cares, that infest the day, Shall fold their te…

To poison; to drug. South.

A poisoning, as by a spirituous or a narcotic substance.

A poison that produces inflammation. Counter irritant. See under Counter. -- Pure irritant (Toxicology), a poison that produces inflammation without any corrosive action upon the tissues.

a climbing plant (Ampelopsis tricuspidata), closely related to the Virginia creeper. -- Poison ivy (Bot.), an American woody creeper (Rhus Toxicodendron), with trifoliate leaves, and greenish-white berries. It is exceedingly poisonous to the touch for most persons. -- To pipe in an ivy leaf, to console one's self as…

The poisonous thorn apple or stramonium (Datura stramonium), a rank weed early noticed at Jamestown, Virginia. See Datura.

sh prepared from the milky juice of the Rhus vernix, a small Japanese tree related to the poison sumac.

A poisonous serpent of Brazil (Bothrops jararaca), about eighteen inches long, and of a dusky, brownish color, variegated with red and black spots.