module

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A standardized, often interchangeable component of a system or construction that is designed for easy assembly or flexible use.
• noun Architecture A length used as a unit of measurement or as a standard for determining the proportions of a building.
• noun Electronics A self-contained assembly of electronic components and circuitry, such as a stage in a computer, that is installed as a unit.
• noun Computers 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.
• noun 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.
• noun A unit of education or instruction with a relatively low student-to-teacher ratio, in which a single topic or a small section of a broad topic is studied for a given period of time.
• noun Mathematics An algebraic system that resembles a vector space, except that the set of scalars forms a ring and not necessarily a field.
• noun Biology A unit of modular growth, such as a coral polyp.
• noun Archaic A standard or unit of measurement.

from The Century Dictionary.

• To model; shape.
• To modulate.
• noun A little measure; hence, a small quantity.
• noun In architecture, a standard of measure often taken, particularly in antiquity and the middle ages, to regulate the proportions of an order or the disposition of an entire building.
• noun A model or representation; a mold; a pattern.
• noun In numismatics, the size of a coin or medal, measured by the diameter.
• noun Equivalent to the phrase with congruence-modulus. See modulus of a congruence, under modulus.

from the GNU version of the Collaborative International Dictionary of English.

• noun A model or measure.
• noun (Arch.) The size of some one part, as the diameter of semi-diameter of the base of a shaft, taken as a unit of measure by which the proportions of the other parts of the composition are regulated. Generally, for columns, the semi-diameter is taken, and divided into a certain number of parts, called minutes (see Minute), though often the diameter is taken, and any dimension is said to be so many modules and minutes in height, breadth, or projection.
• transitive verb obsolete To model; also, to modulate.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A self-contained component of a system, often interchangeable, which has a well-defined interface to the other components.
• noun architecture A standard unit of measure used for determining the proportions of a building.
• noun computing A section of a program; a subroutine or group of subroutines.
• noun A unit of education covering a single topic.
• noun A pre-prepared adventure scenario with related materials for a role-playing game.
• noun mathematics An abelian group.
• noun mathematics An algebraic structure which behaves just like a vector space over a field F, except that F is replaced by K, a commutative ring with unit.
• noun computing A file containing a music sequence that can be played in a tracker (called also mod or music module).
• noun hydraulics A contrivance for regulating the supply of water from an irrigation channel.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a self-contained component (unit or item) that is used in combination with other components
• noun computer circuit consisting of an assembly of electronic components (as of computer hardware)
• noun detachable compartment of a spacecraft
• noun one of the inherent cognitive or perceptual powers of the mind