A leopard's face jessant-de-lys, left: shown in the standard form with fleur-de-lys erect, right: shown in the unusual form with the fleur-de-lys reversed
Jessant-de-lys is a heraldic term denoting a fleur-de-lys issuing out of any object.[1] It is most frequently seen in conjunction with a leopard's face, meaning in heraldic language the face of a lion.
- ^ Boutell (1864), p. 81