point of sale 
(abbreviation POS)
noun
The place at which a retail transaction is carried out: refunds will be provided at the point of sale...
- The 15 cent levy will apply at the point of sale in supermarkets, shops, service stations and all sales outlets.
- Currently we are not aware of any process outside of retail that provides reliable age verification at the point of sale.
- The original point-of-sale programs supported multiple stores by updating a set of master files through a complicated operation involving transaction files created at each store and a batch update process.
- post-selection
- post ship
- post shop
- post-sitter
- post-sixteen
- post-Soviet
- postsphenoid
- postsphenoidal
- post-stage
- post-Stalin
- post-Stalinist
- post station
- poststernal
- post-structural
- post-structuralism
- post-structuralist
- postsylvian
- postsynapsis
- postsynaptic
- postsynaptically
- post-sync
- post-synch.
- post-synch
- post-synchronization
- post-synchronize