A receiver can refer to different things depending on the context. Here are some definitions of a receiver based on the search results:

• General Definition: A receiver is a person or thing that receives.
• Legal Definition: A receiver is a person appointed as custodian of a person or entitys property, finances, general assets, or business operations. Receivers can be appointed by courts, government regulators, or private entities. Receivers seek to realize and secure assets and manage affairs to pay debts. For businesses, receivers seek to maximize profits and asset value, and either terminate operations or sell all or part of the company. When a receiver is appointed, a company is said to be "in receivership".
• Electronics Definition: A receiver is a device or circuit that accepts signals from a transmission medium (which can be wireless or wired) and decodes or translates them into a form that can drive local circuits. Examples include a radio receiver that detects and demodulates the signal from the airwaves, an ultrasonic receiver that turns ultrasound signals into electrical signals, a line receiver that receives signals from a wire or backplane, a standard interface receiver (e.g., USB, serial, LVDS), and a fiber optic device that translates light pulses into electrical signals.
• Retail Definition: A receiver is a document recording the quantity and condition of goods when they are received by the buyer.

In summary, a receiver can refer to a person, a legal custodian, an electronic device, or a document.