serial number 
noun
An identification number showing the position of a printed or manufactured item in a series: every bike has a serial number on it...
- US intelligence has recorded their serial numbers to identify their source.
- The serial numbers are printed on adhesive strips, so I put the strip on the case.
- They were trying to see if they could identify him by the serial number on his gun.
- locus penitentiae
- locus poenitentiae
- locus standi
- locust
- locusta
- locust bean
- locust beetle
- locust berry
- locust bird
- locust borer
- locust bush
- locust club
- locust flower
- locustian
- locustid
- locust-killer
- locust lobster
- locust post
- locust shrimp
- locust tree
- locust wood
- locust years
- locution
- locutionary
- locutor