( points of sale)
1.
The point of sale is the place in a shop where a product is passed from the seller to the customer. The abbreviation POS is also used. ( BUSINESS )
N-COUNT
2.
Point of sale is used to describe things which occur or are located or used at the place where you buy something. The abbreviation POS is also used. ( BUSINESS )
...point-of-sale advertising.
N-UNCOUNT : usu N n