egg cup
US /ˈeɡ ˌkʌp/
UK /ˈeɡ ˌkʌp/

1.
coquetier
a small cup in which a boiled egg is served
:
•
She placed the soft-boiled egg in an egg cup.
Elle a placé l'œuf à la coque dans un coquetier.
•
My grandmother has a collection of antique egg cups.
Ma grand-mère a une collection de coquetiers anciens.