1. self-scan - Noun
2. self-scan - Verb
self-scan (uncountable)
(retail, chiefly attributive) An electronic system in a supermarket etc. allowing customers to scan the barcodes on their purchases and pay for them without the need for a cashier.
self-scan (third-person singular simple present self-scans, present participle self-scanning, simple past and past participle self-scanned)
(retail) To use this system.