This page provides all possible meanings and translations of the word mock-up
full-scale working model of something built for study or testing or display
model, mock up(verb)
construct a model of
"model an airplane"
Dictionary of Military and Associated Terms
A model, built to scale, of a machine, apparatus, or weapon, used in studying the construction of, and in testing a new development, or in teaching personnel how to operate the actual machine, apparatus, or weapon.