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

He has surrendered his DEA registration number, according to a sign posted Wednesday on the door of Malibu Canyon Urgent Care.

From Los Angeles Times • Aug. 21, 2024

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

His eyes moved from the golden registration number at the top of the handle, right down to the perfectly smooth, streamlined birch twigs that made up the tail.

From "Harry Potter And The Prisoner Of Azkaban" by J.K. Rowling

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