1each 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 [with modifier]:a Law module
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
2a detachable self-contained unit of a spacecraft:Spacelab, an extra module for the shuttle, will quadruple the experimental facilities on board
