refresher

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun a fee (in addition to that marked on the brief) paid to counsel in a case that lasts more than one day
noun a drink that refreshes
noun a course that reviews and updates a topic for those who have not kept abreast of developments

From refresh + -er.

Sounds like you could use a refresher course." — The Samurai Strategy, Thomas Hoover
The fact was, that he, Fogg, had not for some time had a refresher in the shape of some brandy. — The String of Pearls; Or, The Barber of Fleet Street. A Domestic Romance., Thomas Peckett Prest
Mr. Pickwick slept little that night; his memory had received a very disagreeable refresher on the subject of Mrs. Bardell’s action. — The Pickwick Papers, Charles Dickens

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