fleur-de-lis
Concise Oxford English Dictionary © 2008 Oxford University Press:
fleur-de-lis /ˌfləːdəˈliː/ (also fleur-de-lys)
▶noun (pl. fleurs-de-lis pronunc. same)
- 1 Art & Heraldry a stylized lily composed of three petals bound together near their bases.
- 2 a variety of iris.
– origin ME: from OFr. flour de lys ‘flower of the lily’.
'fleur-de-lis' also found in these Oxford entries:

