わに

Noun

 * 1)  an alligator or crocodile; a shark or other large dangerous fish
 * 2)  an alligator or crocodile

Proper noun

 * 1)  Wani, a possibly legendary immigrant to Japan from the Korean peninsula kingdom of Baekje, invited during the reign of Emperor Ōjin (270-310 AD); notable for purportedly bringing the Analects of Confucius and the Thousand Character Classic to Japan (though this is controversial; see the Wikipedia article on  for details)