You know what it looks like… but what is it called?
TAKE THE QUIZ“lampe”
The following 2 entries include the term lampe.
cul-de-lampe
noun: any of various ornaments or parts resembling the conical bottom of ancient lamps (as a pendant from a roof or an isolated corbel supporting an oriel, column, or turret)
culs-de-lampe
plural of cul-de-lampe
Love words? Need even more definitions?
Merriam-Webster unabridged