A fabulous serpent whose breath and look were said to be fatal. See Basilisk.

A representation of this serpent. It has the head, wings, and legs of a bird, and tail of a serpent.

A venomous serpent which which cannot now be identified.

Any venomous or deadly thing.

This creatures looks like a strange cross between a rooster and a dragon or snake. It's gaze can turn a person to stone. Often in legend this creature is confused with the Basilisk.

monster hatched by a reptile from a cock's egg; able to kill with a glance

a serpent, hatched from a cock's egg, that can kill with a glance

a snake with the power to kill with a glance, hatched from a cock's egg

Isaiah 11:8 kjv Mythological serpent

A cockatrice is a legendary creature, "an ornament in the drama and poetry of the Elizabethans" (Breiner). The cockatrice was invented in the late twelfth century based on a hint in Pliny's Natural History, as a duplicate of the basilisk or regulus, in appearance resembling a giant rooster, with a lizard-like tail. It was supposed to be born from an egg laid by a cockThis impossibility is at the root of the originally pejorative term "Cockney" ("cock's egg") for a Londoner. and incubated by a toad or serpent.

In the Dungeons & Dragons fantasy role-playing game, the cockatrice is a small avian magical beast. Any creature that a cockatrice bites can be permanently turned to stone.