参さん考こう本ぼんMeanings1nounreference bookA book used for reference, similar to 参考書 but more general; may include non-textbook reference works.See also: 参考書論ろん文ぶんを書かくために、何なん冊さつか参さん考こう本ぼんを集あつめた。I gathered several reference books to write my thesis.