/ ˈkɒpibʊk; NAmE ˈkɑːp-/ noun , adjective
■ noun
a book, used in the past by children in school, containing examples of writing which school students had to copy
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IDIOMS
see blot verb
■ adjective
[ only before noun ] ( BrE ) done exactly how it should be done :
It was a copybook operation by the police.