first-class object

Noun

 * 1)  An entity that can be constructed at run-time, passed as a parameter, returned from a function, or assigned into a variable.
 * 2)  An entity that can pass a value as a parameter, can be returned from a subroutine, and can be assigned into a variable. This is the definition according to Raphael Finkel, who uses the terms of second- and third-class objects.

Translations

 * German: First-Class-Objekt
 * Turkish: birinci sınıf nesne