noun

noun: module; plural noun: modules

1. each of a set of standardized parts or independent units that can be used to construct a more complex structure, such as an item of furniture or a building. "ships are now built in modules rather than built in a whole from the base up"

• each of a set of independent units of study or training that can be combined in a number of ways to form a course at a college or university.
• "nine optional modules must be taken"
• COMPUTING
• any of a number of distinct but interrelated units from which a program may be built up or into which a complex activity may be analysed.
• "a networking module"

• detachable self-contained unit of a spacecraft. "Spacelab, an extra module for the shuttle, will quadruple the experimental facilities on board"