Basilisk(n.) A fabulous serpent, or dragon. The ancients alleged that   its hissing would drive away all other serpents, and that its breath,   and even its look, was fatal. See Cockatrice.
    
    
    
        Basilisk(n.) A lizard of the genus Basiliscus, belonging to the family   Iguanidae.
    
    
    
        Basilisk(n.) A large piece of ordnance, so called from its supposed   resemblance to the serpent of that name, or from its size.
    
    
    
    Words within basilisks