One of the superior maxillary teeth of certain serpents, as the viper and rattlesnake, having a channel in it through which the poisonous fluid is conveyed into the wound when they bite; a venom-fang.(noun)
The Century Dictionary (Public Domain)
Use "poison-fang" in a sentence
"A certain class of evolutionists tell us that God contrived the serpent's poison-fang and the mother's tender instinct with "the same creative indifference.""
"It is formed by a pair of peculiarly modified legs which act as jaws, and are armed each with a powerful claw, at the tip of which, as in the poison-fang of the viper, is a small hole."
"Death shall come to greet him with poison-fang or poison-arrow, in shape of charging beast or of scaly things that lurk in lake and river; it shall lie in wait for him among untrodden forests, in the swirl of wild waters, and in the blast of snow blizzard or thunder-shattered hurricane."