A wrapper may refer to any of the following:
1. When referring to a computer processor, wrapper is a term used to describe the casing around an Intel Pentium II CPU.
2. In computer software, a wrapper describes an intermediate set of functions that allow one piece of software to be accessed directly by other software, without additional computation. For instance, compiled software written in the C++ programming language may offer a wrapper that allows it to be used directly by programs written in Python.