Definition of "basilisk" in English

noun

1. (mythology) A mythical snake-like dragon, so venomous that even its gaze is deadly.

   • the deadly look of the basilisk

2. (heraldry) A type of dragon used in heraldry.

3. Any tree-dwelling lizard of the genus Basiliscus: the basilisk lizard.

4. (weaponry) A type of large brass cannon.

5. (philosophy, science fiction) An infohazard or cognitohazard, especially a Langford's basilisk.

adjective

1. Suggesting a basilisk (snake-like dragon): baleful, spellbinding.