refresher
1. [ noun ] (food) a drink that refreshes
Examples:

"he stopped at the bar for a quick refresher

Related terms: beverage refresh
2. [ noun ] (British) a fee (in addition to that marked on the brief) paid to counsel in a case that lasts more than one day
Related terms: legal_fee UK
3. [ noun ] (education) a course that reviews and updates a topic for those who have not kept abreast of developments
Synonyms: refresher_course
Related terms: course review
Similar spelling:   refresh
  refreshen
  refreshed
  represser
  refreshing
  refreshful
  reprise
  repress
  reproacher
  refreshment
  refreshingly
  refreshfully
  reprocess
  repressor
  repressed
  represent
  reprize
  repressive
  represented