Oxford Dictionary English barcode noun noun BrE BrE//ˈbɑːkəʊd// ; NAmE NAmE//ˈbɑːrkoʊd// Cost and payment Add to my wordlistjump to other results enlarge image a pattern of thick and thin lines that is printed on things you buy. It contains information that a computer can read. See related entries: Cost and paymentCheck pronunciation: barcode oxfordlearnersdictionaries.com