Translation

oushi means "Bull" in English.

oushi written with kanji is 牡牛.
This word contains non-jouyou kanji 常用漢字.
oushi written with katakana is オウシ.
oushi written with hiragana is おうし.
Romaji o u shi
Hiragana
Katakana
Kanji
Meaning Male Cow
School Level 小2

oushi may also be written as 雄牛.

Further Reading

Wikipedia: 牡牛 (Bull)