[mawr-ney for 1; mawr-ney for 2] 
| 1. | Also called Duplessis-Mornay. Phi⋅lippe de [fee-leep duh] , Sei⋅gneur du Ples⋅sis-Mar⋅ly [se-nyœr dy ple-see-mar-lee] , (“Pope of the Huguenots” ), 1549–1623, French statesman and Protestant leader. |
| 2. | (often lowercase) Also called Mornay sauce. a béchamel, or white sauce, containing cheese, esp. Parmesan and Gruyère. |
| mornay sauce | |
noun | |
| onion-flavored creamy cheese sauce with egg yolk and grated cheese |