model
n. countablen. a small copy of something, like a car or a building. It can also be a person who shows off clothes or a perfect example for others to follow.
n. a three-dimensional representation of a person or thing, typically on a smaller scale than the original. Also refers to a person employed to display clothing or a simplified description of a system or process.
He spends his weekends building model airplanes.
The architect presented a detailed scale model of the new library to the city council before construction began.
Scientists developed a mathematical model to predict how the virus might spread through a densely populated urban environment over the next six months.
From Middle French modelle, from Old Italian modello, from Vulgar Latin *modellus, diminutive form of modulus (“measure, standard”), diminutive of modus (“measure”); see mode, and compare module, modulus, mould, mold.
Commonly used as a modifier before another noun, as in 'model train' or 'model student'.