'Sales tax' definitions:

Definition of 'sales tax'

From: WordNet
noun
A tax based on the cost of the item purchased and collected directly from the buyer [syn: sales tax, nuisance tax]

Definition of 'Sales tax'

From: GCIDE
  • Sales tax \Sales" tax\ (s[=a]lz"t[a^]ks), n. [Sales + tax.] a tax imposed upon the retail sale of goods or the sale of services, usually collected by the seller at the time of purchase; -- it is typically calculated as a percentage of the price of the object sold, being commonly from 3% to 7% of the base price. [PJC]