Translation

hoēru means "Whale" in English.
It's a katakanization, a loan-word.

hoēru is normally written with katakana, as ホエール.
hoēru written with hiragana is ほえーる.
hoēru does not have kanji.
Romaji ho ee ru
Katakana
Hiragana

Orthography Notes

Synonyms

Further Reading

Wikipedia: (Whale)