You know what it looks like… but what is it called?
TAKE THE QUIZ“cul”
The following 3 entries include the term cul.
cul-de-sac
noun: a blind diverticulum or pouch
cul-de-four
noun: a vault shaped like a quarter sphere or like a hemisphere
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)
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Merriam-Webster unabridged