Translation

kau means "Cow" in English.
It's a katakanization, a loan-word.

  • Cow Terminology
    In English, a Cow is technically the term for female adult Cattle. The male Cow is called a Bull. In Japanese, ushi 牛 is gender-neutral, and refers to either a Cow or a Bull. The terms meushi 雌牛 and oushi 牡牛 refer to female and male Cattle specifically.
kau does not have kanji.
Romaji ka u
Katakanaカウ
Hiraganaかう

Trivia

  • "Cowboy" in Japanese is kaubooi カウボーイ.

Synonyms

Further Reading

Wikipedia: 牛 (Cow)