特とく別べつ捜そう査さ本ほん部ぶMeaningsNoun1. special investigation headquarterKanji used特special別separate捜search査inspect本book部sectionComposed of特とく別べつspecial; particular; extraordinary; exceptional; especialNa-adjective捜そう査さsearch (esp. in criminal investigations); investigation; inquiry; enquiryNoun本ほん部ぶheadquarters; head office; main officeNoun