Answer: basilisks

AnswerCrossword Clue
basilisksBASILISK, a mythical serpent
basilisksA mythical reptile with a lethal gaze or breath, hatched by a serpent from a cock's egg
basilisksA long, slender, and mainly bright green lizard found in Central America, the male of which has a crest running from the head to the tail. It can swim well and is able to run on its hind legs across the surface of water