Translation

arikui means "Anteater" in English.

arikui is normally written with katakana, as アリクイ.
arikui written with hiragana is ありくい.
arikui written with kanji is 蟻食い.
This word contains non-jouyou kanji 常用漢字.
Romaji a ri ku i
Hiragana
Katakana
Kanji
Meaning Ant Eat
School Level 小2

arikui may also be written as 蟻食, 蟻喰 or 食蟻獣.

Further Reading

Wikipedia: アリクイ (Anteater)