アロワナあろわなFreq.FrequencyTop 100,000Meanings1nounarowana; bonytongueRefers to any fish of the subfamily Osteoglossinae, commonly known as arowanas or bonytongues. Often kept as ornamental fish.アロワナは古こ代だい魚ぎょの一いっ種しゅで、観かん賞しょう魚ぎょとして人にん気きがある。