燕えん子しえんしMeanings1nounswallow (bird)rare termRare literary or classical term for a swallow. In modern Japanese, 燕 (つばめ) is the standard word.See also: 燕古ふるい詩しに「燕えん子し」と詠よまれている。In old poetry, '燕子' is used to refer to swallows.