prototype
Definitions
General English
Cars & Driving
Commerce
- noun the first model of a new product before it goes into production
Computing
- noun the first working model of a device or program, which is then tested and adapted to improve it
Electronics
- A usually full scale original model suitable for evaluation and testing, and which is utilized as a basis for production or future models.
- noun the first model of something that is completely new
http://www.dictionarycentral.com/definition/prototype.html