コチョウゲンボウこちょうげんぼうMeanings1nounmerlin; pigeon hawkusually written using kana aloneA small falcon (Falco columbarius) found in open habitats; the Japanese name is usually written in katakana.コチョウゲンボウは小こ型がたのハヤブサの一いっ種しゅです。