Translation

usagi-uma means "Donkey" in English.

usagi-uma written with kanji is 兎馬.
This word contains non-jouyou kanji 常用漢字.
usagi-uma written with katakana is ウサギウマ.
usagi-uma written with hiragana is うさぎうま.
Romaji u sa gi u ma
Hiraganaうさぎうま
Katakanaウサギウマ
Kanji 兎 馬
Meaning Rabbit Horse
School Level ✕ 小2

usagi-uma may also be written as 驢.

Further Reading

Wikipedia: ロバ (Donkey)