ミシシッピわにMeanings1nounAmerican alligatorusually written using kana aloneRefers specifically to Alligator mississippiensis, the American alligator. It is usually written in kana.ミシシッピわにはアメリカ南なん東とう部ぶに生せい息そくしている。The American alligator inhabits the southeastern United States.