noun 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.
noun Material used for making boxes or casing.
noun Casing; temporary boxwork or boards in place acting as a mould to hold wet concrete until it sets.
noun Automatic conversion of value types to objects by wrapping them within a heap-allocated reference type.