marquise

noun

1. (historical)A marchioness, especially one who is French.

   “In 1986, she appeared in the stage adaptation of Les Liaisons Dangereuse opposite Alan Rickman, playing the manipulative marquise whose icy demeanour seems to have clung to Duncan's image like frost ever since, even though it is so at odds with her warmth in person.”

2. A marquee.
3. An oval cut gemstone with pointed ends.
4. A canopy, usually of glass, set as a shelter over a door opening onto a terrace or pavement.

   “The house was a big elaborate limestone affair, evidently new. Winter sunshine sparkled on lace-hung casement, on glass marquise, and the burnished bronze foliations of grille and door.”

5. (historical)A style of parasol of the mid-19th century.
6. A rich dessert made with dark chocolate, butter, sugar, cocoa powder, eggs, and cream.