Translation

tātoru means "Turtle" in English.
It's a katakanization, a loan-word.

tātoru is normally written with katakana, as タートル.
tātoru written with hiragana is たーとる.
tātoru does not have kanji.
Romaji taa to ru
Katakanaタートル
Hiraganaたーとる

Orthography Notes

Synonyms

kame 亀, Testudines.

Further Reading

Wikipedia: 亀 (Turtle)