\\ˈprīsə(r)\ noun (-s)
: one that prices something: as
a. : a person that fixes prices of merchandise; especially : an expert that values and sets a price on specialty items (as jewels or antiques)
b. : a shopper that inquires about and compares prices often with little intention of buying
c. : a clerk who marks prices on stock and quotes prices to inquirers

Useful english dictionary. 2012.