re ‧ gis ‧ tra ‧ tion S3 AC /ˌredʒəˈstreɪʃ ə n, ˌredʒɪˈstreɪʃ ə n/ BrE AmE noun
[ Word Family: noun : ↑ register , ↑ registration , ↑ registry ; verb : ↑ register ]
1 . [uncountable] the act of recording names and details on an official list
registration of
the registration of motor vehicles
Student registration (=for a course of study) starts the first week in September.
The registration fee is $75.
2 . [countable] American English an official piece of paper containing details about a motor vehicle and the name of its owner:
May I see your license and registration, ma'am?