Definition of mock–up
1 : a full-sized structural model built to scale chiefly for study, testing, or display
2 : a working sample (as of a magazine) for reviewing format, layout, or content
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1920
First Known Use of mock–up
1920
MOCK–UP Defined for English Language Learners
mock-up
play
noun
Definition of mock–up for English Language Learners
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: a full-sized model of something (such as a boat or a car) that is used for studying, testing, or showing its features
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