/ flæn; NAmE / noun [ C , U ]
1.
( especially BrE ) an open pie made of pastry or cake filled with eggs and cheese, fruit, etc. :
a mushroom / strawberry flan
Have some more flan.
—compare quiche , tart
2.
( NAmE ) = crème caramel
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WORD ORIGIN
mid 19th cent.: from French (originally denoting a round cake) from Old French flaon , from medieval Latin flado , fladon- , of West Germanic origin; related to Dutch vlade custard.