(grammar) A grammatical role of a ditransitive verb that manifests a secondary or passive participant in an action, often a recipient or goal.

A lesson taught (especially to young children) using a familiar or unusual object as a focus. / An example from real life that explains a principle or teaches a lesson.

(programming) Using entities called objects that can process data and exchange messages with other objects.

The region of space containing objects that an optical system can form images of.

A person seen primarily or solely as sexually attractive.

(linguistics) A control verb whose shared object is not the subject.

(computing) The output of a compiler or assembler; it is not necessarily executable directly without linking to other modules

(programming, object-oriented programming) A poorly designed object that does more than one thing and thus violates the single responsibility principle of SOLID.

(object-oriented programming) An object that mimics the behavior of a real object in a controlled way, often used as part of unit testing.

(category theory) An object that is both an initial and terminal object. / (object-oriented programming) An object that does nothing and is used instead of using a null.