Definitions for salesroomˈseɪlzˌrum, -ˌrʊm
Random House Webster's College Dictionary
a room in which goods are sold or displayed.
an auction room.
Origin of salesroom:
showroom, salesroom, saleroom(noun)
an area where merchandise (such as cars) can be displayed
"in Britain a showroom is called a salesroom"
The room where sales are made