おちけん 落研 LinksSentence search for 落研Sentence search for おちけんSentence search for 落ち研Sentence search for らっけんKanji details for 落 and 研Edit in JMdict Noun1. rakugo research society; rakugo research clubAbbreviation, See also 落語 らくご, See also 落語研究会 らくごけんきゅうかいOther forms落ち研 【おちけん】、落研 【らっけん】 Discussions Log in to talk about this word.