fleur-de-lis
noun [ C ] (also fleur-de-lys) uk/ˌflɜː.dəˈliːs/ us/ˌflɝː.dəˈliːs/ fleurs-de-lis uk/ˌflɜː.dəˈliːs/ us/ˌflɝː-/
（用作纹章的）鸢尾花饰，百合花饰
a pattern representing a flower with three separate parts joined at the bottom, used in coats of arms