Meaning: チョウザメn. (Hira=ちょうざめ, Kanji=蝶鮫) sturgeon, any of a number of large food fish that are a source of caviar and isinglassn. (Hira=ちょうざめ, Kanji=鰉) sturgeon, scarlet carp, any of a number of large food fish that are a source of caviar and isinglass