Definition of "Model" :
noun: the act of representing something (usually on a smaller scale)
noun: representation of something (sometimes on a smaller scale)
noun: a type of product
"His car was an old model."
noun: a hypothetical description of a complex entity or process
"The computer program was based on a model of the circulatory and respiratory systems."
noun: something to be imitated
"A model of clarity."
noun: a representative form or pattern
noun: a woman who wears clothes to display fashions
noun: a person who poses for a photographer or painter or sculptor
"The president didn't have time to be a model so the artist worked from photos."
noun: someone worthy of imitation
"Every child needs a role model."
verb: form in clay, wax, etc
"Model a head with clay."
verb: construct a model of
"Model an airplane."
verb: create a representation or model of
verb: plan or create according to a model or models
verb: display (clothes) as a mannequin
"Model the latest fashion."
verb: assume a posture as for artistic purposes
adjective: worthy of imitation
"Model citizens."