Translation

ratto means "Rat" in English.
It's a katakanization, a loan-word.

ratto is normally written with katakana, as ラット.
ratto written with hiragana is らっと.
ratto does not have kanji.
Romaji ra tto
Katakana
Hiragana

Orthography Notes

  • ット contains a small tsu which makes the consonant of the syllable longer.