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mock-up

American  
[mok-uhp] / ˈmɒkˌʌp /
Or mockup

noun

  1. a model, often full-size, for study, testing, or teaching.

    a mock-up of an experimental aircraft.
mock-up British  

noun

  1. a working full-scale model of a machine, apparatus, etc, for testing, research, etc

  2. a layout of printed matter

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. (tr, adverb) to build or make a mock-up of

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of mock-up

First recorded in 1915–20; noun use of verb phrase mock up

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.