refresher course

American  

noun

1. a study course serving as a review of previous education.

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refresher course British  

noun

1. a short educational course for people to review their subject and developments in it

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Etymology

Origin of refresher course

First recorded in 1910–15

Example Sentences

As of May 6, just 10 percent of the city’s more than 9,000 officers and their supervisors had received a required annual refresher course in suicide prevention training, the department said.

From New York Times

But the Seattle Parks and Recreation Department needed a refresher course last week.

From Seattle Times

Mayor said the incident with the Ever Given, which blocked the Suez canal for six days and choked global trade, may prompt shipping companies to send their staff for refresher courses.

From Reuters

It was a refresher course for anyone who watched the versatile tight end play last season.

From Seattle Times

If you needed a refresher course on the arguments Republicans use to oppose any kind of gun restrictions after mass shooting events, then Sen Ted Cruz was on hand yesterday.

From The Guardian