閑かん古こ鳥どりかんこどりFreq.FrequencyTop 50,000Meanings1nouncuckooRefers to the cuckoo bird. Most commonly encountered in the idiom 閑古鳥が鳴く (kankodori ga naku), meaning 'to be deserted' or 'to have few customers', likening the quiet to a cuckoo's call echoing in an empty place.See also: カッコウ · 閑古鳥が鳴く閑かん古こ鳥どりはカッコウ科