registration number

British

noun

a sequence of letters and numbers assigned to a motor vehicle when it is registered, usually indicating the year and place of registration, displayed on numberplates at the front and rear of the vehicle, and by which the vehicle may be identified

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A ship called "Grinch" is under UK sanctions, while another called "Carl" with the same registration number is sanctioned by the United States and European Union.

From Barron's • Jan. 22, 2026

She couldn't see who arrived with the gift, but made out the registration number of the red Corsa as it drove off.

From BBC • Jan. 9, 2026

The deceptive advertisement asks for personal information, including your full name, license plate number, and the last five digits of the vehicle registration number.

From Los Angeles Times • Jun. 5, 2025

The aircraft, which officials said had the registration number N823KD, was traveling from Ohio to Naples on Friday afternoon, according to FlightAware.

From New York Times • Feb. 9, 2024

A few minutes later, I said, “What did you say that registration number was?”

From "Long Walk to Freedom" by Nelson Mandela

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023