落研 おちけん Also written らっけん, 落ち研 Meanings Noun rakugo research society; rakugo research club See also: 落語 (らくご). See also: 落語研究会 (らくごけんきゅうかい). Kanji 落 fall. Read as おちる. 研 research. Read as ケン. Jinuma: Japanese Dictionary · Word lists