From Longman Dictionary of Contemporary Englishworking modelworking modelMOVE something OR somebodya model that has parts that move → working
Examples from the Corpus
working model• For 300 years or more our science has omitted any human attributes that may impinge upon or impede its mechanistic working model.• The Base was a closed system, like a tiny working model of Earth itself, recycling all the chemicals of life.• Behind him on a finely carved desk was a gleaming working model of the St Petersburg-Cannes Express constructed in pearls and amethysts.• Simulation techniques have been developed to allow scientists and planners to build working models of the systems which they are studying.• When I was about four years of age, he made a working model roundabout with galloping horses.• My aim was always to build working models that I could control. 