n.
1.(computer science) the technique of representing the real world by a computer program
2.the act of imitating the behavior of some situation or some process by means of something suitably analogous (especially for the purpose of study or personnel training)
3.representation of something (sometimes on a smaller scale)
4.the act of giving a false appearance
Idiom of the Day
put (someone or something) out to pasture or put out (someone or something) to pasture
to retire someone or something
We decided to put our old horse out to pasture and stop riding him.