What is the meaning of Boxing?

present participle and gerund of box

A sport where two opponents punch each other with gloved fists to head and torso; the object being to score more points by the end of the match or by knockout, or technical knockout.

Material used for making boxes or casing.

Casing.

Automatic conversion of value types to objects by wrapping them within a heap-allocated reference type.

present participle and gerund of box

Source: wiktionary.org