鯨類 げいるい Meanings Noun cetaceans Kanji 鯨 whale. Read as ゲイ. 類 class. Read as ルイ. Words containing 鯨類 日本鯨類研究所 (にほんげいるいけんきゅうしょ) The Institute of Cetacean Research Jinuma: Japanese Dictionary · Word lists