poison

n. நஞ்சு, உயிர்போக்கும் பொருள், உயிரைக் கொல்வது, உடல்நலத்திற்கு ஊறுவிளைக்கும் பொருள், (பே-வ) சிறு அளவில் உட்கொண்டவுடன் விரைந்து கொல்லும் பொருள், (வினை.) நஞ்சூட்டு, நஞ்சூட்டிக் கொல், குருதியில் நச்சுத் தன்மையை உண்டாக்கு, காற்று-நீர் முதலியவற்றை நச்சுப்படுத்து, படைக்கருவி மேல் நஞ்சு பூசு, மனத்தைக்கலை, மனத்தைத் தவறான வழியிற் செலுத்து, மகிழ்ச்சிகெடு, இன்பத்தை அழி, பயனறக்கெடு, நிலம்-உலை முதலியவற்றைக் கெடுத்துப் பயனறச் செய்.

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Poi"son, n. Etym: [F. poison, in Old French also, a potion, fr. L. potio a drink, draught, potion, a poisonous draught, fr. potare to drink. See Potable, and cf. Potion.] 1. Any agent which, when introduced into the animal organism, is capable of producing a morbid, noxious, or deadly effect upon it; as, morphine is a deadly poison; the poison of pestilential diseases. 2. That which taints or destroys moral purity or health; as, the poison of evil example; the poison of sin. Poison ash. (Bot.) (a) A tree of the genus Amyris (A. balsamifera) found in the West Indies, from the trunk of which a black liquor distills, supposed to have poisonous qualities. (b) The poison sumac (Rhus venenata). [U. S.] -- Poison dogwood (Bot.), poison sumac. -- Poison fang (Zoöl.), one of the superior maxillary teeth of some species of serpents, which, besides having the cavity for the pulp, is either perforated or grooved by a longitudinal canal, at the lower end of which the duct of the poison gland terminates. See Illust. under Fang. -- Poison gland (Biol.), a gland, in animals or plants, which secretes an acrid or venomous matter, that is conveyed along an organ capable of inflicting a wound. -- Poison hemlock (Bot.), a poisonous umbelliferous plant (Conium maculatum). See Hemlock. -- Poison ivy (Bot.), a poisonous climbing plant (Rhus Toxicodendron) of North America. It is common on stone walls and on the trunks of trees, and has trifoliate, rhombic-ovate, variously notched leaves. Many people are poisoned by it, if they touch the leaves. See Poison sumac. Called also poison oak, and mercury. -- Poison nut. (Bot.) (a) Nux vomica. (b) The tree which yields this seed (Strychnos Nuxvomica). It is found on the Malabar and Coromandel coasts. -- Poison oak (Bot.), the poison ivy; also, the more shrubby Rhus diversiloba of California and Oregon. Poison sac. (Zoöl.) Same as Poison gland, above. See Illust. under Fang. -- Poison sumac (Bot.), a poisonous shrub of the genus Rhus (R. venenata); -- also called poison ash, poison dogwood, and poison elder. It has pinnate leaves on graceful and slender common petioles, and usually grows in swampy places. Both this plant and the poison ivy (Rhus Toxicodendron) have clusters of smooth greenish white berries, while the red-fruited species of this genus are harmless. The tree (Rhus vernicifera) which yields the celebrated Japan lacquer is almost identical with the poison sumac, and is also very poisonous. The juice of the poison sumac also forms a lacquer similar to that of Japan. Syn. -- Venom; virus; bane; pest; malignity. -- Poison, Venom. Poison usually denotes something received into the system by the mouth, breath, etc. Venom is something discharged from animals and received by means of a wound, as by the bite or sting of serpents, scorpions, etc. Hence, venom specifically implies some malignity of nature or purpose. Poi"son, v. t. [imp. & p. p. Poisoned; p. pr. & vb. n. Poisoning.] Etym: [Cf. OF. poisonner, F. empoissoner, L. potionare to give to drink. See Poison, n.] 1. To put poison upon or into; to infect with poison; as, to poison an arrow; to poison food or drink. "The ingredients of our poisoned chalice." Shak. 2. To injure or kill by poison; to administer poison to. If you poison us, do we not die Shak. 3. To taint; to corrupt; to vitiate; as, vice poisons happiness; slander poisoned his mind. Whispering tongues can poison truth. Coleridge. Poi"son, v. i. Defn: To act as, or convey, a poison. Tooth that poisons if it bite. Shak.