msgsend
The term "msgsend" generally refers to a function or method within programming environments used to send a message to an object. This is a fundamental concept in object-oriented programming (OOP), particularly in languages like Objective-C and Smalltalk. When a message is sent to an object, it typically invokes a specific method on that object, passing along any necessary arguments. The object then executes the code associated with that method.
In practice, msgsend is the underlying mechanism that allows objects to communicate and interact with each