cockatrice

noun

1. A legendary creature about the size and shape of a dragon or wyvern, but in appearance resembling a giant rooster, with some lizard-like characteristics.

   ““Peace reigns in happy Luxor. The lion lies down with the lamb, and the child, if it will, may harmlessly put its hand into the cockatrice’s den.””

2. (obsolete)A mistress, a harlot.
3. A snake or serpent that appears to be hatched from a rooster, or cock's, egg.

   “For, behold, I will send serpents, cockatrices, among you, which will not be charmed, and they shall bite you, saith the Lord.”

4. The cobra.
5. (figuratively, obsolete)Any venomous or deadly thing.

   “this little cockatrice of a king”