ベルーガベルーガFreq.FrequencyTop 100,000Meanings1nounbeluga whaleRefers to the white Arctic whale Delphinapterus leucas. Also known as 白海豚 (しろいるか).See also: 白海豚水すい族ぞく館かんでベルーガのショーを見みた。I saw a beluga whale show at the aquarium.