noun🔗ShareNarvalMonodon monoceros, an Arctic cetacean that grows to about 20 feet (6 meters) long, the male having a single horn-like tusk, a twisted, pointed canine tooth that projects forward."The children were fascinated by the picture of the narwhal with its long, spiraled tusk, learning it was a type of whale that lives in the Arctic. "Les enfants étaient fascinés par l'image du narval avec sa longue défense en spirale, apprenant qu'il s'agissait d'un type de baleine vivant dans l'Arctique.animaloceannaturebiologyfishChat with AIVocabulary GamePractice Reading