shaaku Animals in Japanese Translation shaaku means "Shark" in English. It's a katakanization, a loan-word. shaaku in katakana is シャーク. shaaku is not usually written with hiragana. shaaku does not have kanji. Romaji shaa ku Katakana シャ ー ク Orthography Notes シャ is a compound kana representing a single syllable with multiple characters. シャー contains a long dash called the prolonged sound mark which makes the vowel of the syllable longer. Because of this, this word may also be romanized as shāku. Synonyms same サメ. Related Words komorizame 子守鮫, oochouzame 大蝶鮫.