1. Law: (1) Legal action, proceeding, or lawsuit. (2) Argument put forward in a legal proceeding.
2. Medicine: Episode or instance of illness or injury; or a specific set of symptoms, their prognosis, and remedy.
3. Packaging: Non-standard term for a shipping or trading container, it generally refers to a metal or wooden box of any size.
4. Trading: Standard number of items or packages sold as a unit.