cash bar 
noun
A bar at a social function at which guests buy drinks rather than having them provided free.We just have to figure out the logistics - catering, the band, renting the hall, firming up the opposition to take control after the Tikrit clan has been turned into red mud, whether it'll be an open bar or a cash bar....
- We get drinks from the cash bar and food from the free buffet, and watch the crowd.
- A cash bar is available for drink purchases during the cruise.
- partisanism
- partisanized
- partisanly
- partisan ranger
- partisanry
- partisanship
- partita
- partite
- partition
- partitional
- partitionary
- partition chromatogram
- partition chromatographic
- partition chromatography
- partition coefficient
- partitioner
- partition function
- partitionism
- partitionist
- partitionment
- Partition treaty
- partition wall
- partitive
- partitive genitive
- partitively