Poison fang

(Zool.) 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.

See also: Poison

References in classic literature ?
It would be a sharp-eyed coroner, indeed, who could distinguish the two little dark punctures which would show where the poison fangs had done their work.
The method of Cryptocheilus is a refined process during which the wasp first stings the spider between its poison fangs and then stings it again near the junction of the cephalothorax and abdomen.
While discussing the toxicity of their snakes, it dawned on them that only few snakes inject their venom into their victims' bodies using hollow poison fangs.