Definitions
1.NounA code used to represent multiple (possibly unrelated) data items.
2.NounAn established code (signifier) that also acts as a new code, either representing additional (related) meanings, or dividing into various nuances of the original meaning.
3.NounInventory that can no longer be sold (such as items that are past their sell-by date).
4.VerbTo use as an overcode for.
5.VerbTo act as an overcode for.
6.VerbTo use a particular code or set of codes too much.
7.VerbTo code too many things or include too many codes in a coding system.