ころこうぼう 転び公妨 LinksSentence search for 転び公妨Sentence search for ころびこうぼうKanji details for 転, 公 and 妨Edit in JMdict Noun1. falsely-provoked arrest for obstruction; police pretending to be knocked down so as to have grounds for an arrestSee also 公妨 Discussions Log in to talk about this word.