Translation

gorira means "Gorilla" in English.
It's a katakanization, a loan-word.

gorira is normally written with katakana, as ゴリラ.
gorira written with hiragana is ごりら.
gorira does not have kanji.
Romaji go ri ra
Katakana
Hiragana

Further Reading

Wikipedia: ゴリラ (Gorilla)