Wiktionary
vanity license plate
n. A license plate whose identifier is choose by the registering owner.
Usage examples of "vanity license plate".
To the left, an open carport sheltered a silver Audi convertible and a new white Volvo, with a vanity license plate that read CRYSTAL.
Tasha must have driven down from Lompoc because a sassy red Trans Am bearing a vanity license plate that read TASHA H was parked at the curb.
As the Jeep sped down the driveway, Meade noticed its vanity license plate: PW ESQ.
The last thing I saw of him was his vanity license plate, which read SAILSMN.
She was driving her own dark red Lexus with gold trim and her MGDC vanity license plate.