(noun) canine tooth of a carnivorous animal ; used to seize and tear its prey
(noun) hollow or grooved tooth of a venomous snake; used to inject its poison
(noun) an appendage of insects that is capable of injecting venom ; usually evolved from the legs
Definitions for Pheromone
(noun) a chemical substance secreted externally by some animals (especially insects) that influences the physiology or behavior of other animals of the samespecies