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English definition of “primer”

primer

noun uk   /ˈpraɪ.mər/ us    /-mɚ/

primer noun (PAINT)

[C or U] a type of paint that you put on a wooden surface before the main paint is put on: It's best to use a coat of primer before the top coat.

primer noun (BOOK)

[C] old-fashioned a small book containing basic facts about a subject, used especially when you are beginning to learn about that subject
(Definition of primer from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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