lapel
US /ləˈpel/
UK /ləˈpel/

1.
revers
the part on each side of a coat or jacket immediately below the collar, which is folded back on either side of the front opening
:
•
He wore a suit with wide lapels.
Il portait un costume à larges revers.
•
She pinned a brooch to her jacket lapel.
Elle a épinglé une broche sur le revers de sa veste.