module

Definitions of module in various dictionaries:

noun - one of the inherent cognitive or perceptual powers of the mind

noun - detachable compartment of a spacecraft

noun - computer circuit consisting of an assembly of electronic components (as of computer hardware)

noun - a self-contained component (unit or item) that is used in combination with other components

A standard or unit of measurement.

Architecture.

A standardized, often interchangeable component of a system or construction that is designed for easy assembly or flexible use: a sofa consisting of two end modules.

A self-contained assembly of electronic components and circuitry, such as a stage in a computer, that is installed as a unit.

A portion of a program that carries out a specific function and may be used alone or combined with other modules of the same program.

A self-contained unit of a spacecraft that performs a specific task or class of tasks in support of the major function of the craft.

A unit of education or instruction with a relatively high teacher-to-student ratio, in which a single topic or a small section of a broad topic is studied for a given period of time.

noun - a standard of measurement