a label or tag that shows the price of the item to which it is attached.
Origin of price tag
An Americanism dating back to 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for price tag
a ticket or label on an article for sale showing its price
the cost, esp of something not usually pricedthe price tag on a top footballer
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