n (programming) A class method (in object-oriented programming) that creates and initializes each instance of an object
n (motorsport) A company or individual who builds racing vehicles. In Formula One, w:Constructors (Formula One)|constructor status is strictly defined by the rules, but in other motorsports the term is merely a descriptor. Depending on the racing rules, some constructors (e.g. w:Cosworth|Cosworth) may provide vehicles to racing teams who are not themselves constructors , while others are both teams and constructors (w:Ducati Corse|Ducati Corse, w:Scuderia Ferrari|Scuderia Ferrari).