Constructor

Constructor is possibly one of a number of things:

a model or a plan for contruction of something, for example a blueprint
a special method used in object oriented programming which puts the object's members into a valid state. See constructor (computer science).
in auto racing, especially Formula One, a person or group who builds the chassis of a car; see List of Formula One constructors or Formula One#Drivers and constructors
in building construction, a person who coordinates, or contributes to the coordination of, the substantial execution of construction projects; see Project manager
Constructor (video game), A PC game by Acclaim, the prequel of Constructor: Street Wars.