shiro-itachi means "Ferret" in English.
- When ferrets were introduced to Japan, a great number of them were albinos, hence the name with the word "white." Of course, since not all ferrets are albino, this word doesn't make sense with them.
feretto フェレット, Mustela putorius furo.
Beware: some kanji that are difficult to handwrite are easy to type on the computer, which may skew the usage statistics.