venom

n. poison secreted by an animal through a bite or a sting (i.e. snake's bite, sting of a spider); spite

This article is about the class of biotoxins. For other uses, see Venom (disambiguation). Venom (literally, poison of animal origin) is any of a variety of toxins used by certain types of animals, for the purpose of defense and hunting. Generally, venom is injected while other toxins are absorbed by ingestion or through the skin.
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Venom /ven·om/ a poison, especially one normally secreted by a serpent, insect, or other animal. ven·om n. 1. [more]Venom - Community and Resources

Noun
1. toxin secreted by animals; secreted by certain snakes and poisonous insects (e.g., spiders and scorpions)
(hypernym) animal toxin, zootoxin
(hyponym) kokoi venom
2. feeling a need to see others suffer
(synonym) malice, maliciousness, spite, spitefulness
(hypernym) malevolence, malignity

(n.)
To infect with venom; to envenom; to poison.
  

(n.)
Spite; malice; malignity; evil quality. Chaucer.
  

(n.)
Matter fatal or injurious to life; poison; particularly, the poisonous, the poisonous matter which certain animals, such as serpents, scorpions, bees, etc., secrete in a state of health, and communicate by thing or stinging.