interface

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A surface forming a common boundary between adjacent regions, bodies, substances, or phases.
2. n. A point at which independent systems or diverse groups interact: "the interface between crime and politics where much of our reality is to be found” ( Jack Kroll).
3. n. Computer Science The point of interaction or communication between a computer and any other entity, such as a printer or human operator.
4. n. Computer Science The layout of an application's graphic or textual controls in conjunction with the way the application responds to user activity: an interface whose icons were hard to remember.
5. v. To join by means of an interface.
6. v. To serve as an interface for.
7. v. To serve as an interface or become interfaced.
8. v. To interact or coordinate smoothly: "Theatergoers were lured out of their seats and interfaced with the scenery” ( New York Times).

Century Dictionary and Cyclopedia

1. n. A plane surface regarded as the common boundary of two bodies.

Wiktionary

1. n. The point of interconnection between two entities.
2. n. chemistry, physics A thin layer or boundary between two different substances or two phases of a single substance.
3. n. computing The point of interconnection between two systems or subsystems.
4. n. computing The connection between a user and a machine.
5. n. computing The connection between parts of software.
6. n. computing In object-oriented programming, a piece of code defining a set of operations that other code must implement.
7. v. transitive to construct an interface for, to connect through an interface
8. v. intransitive to be an interface, to be into an interface

GNU Webster's 1913

1. n. a surface forming a common boundary between two things, especially between two fluids.
2. n. (Computers) hardware that links one device with another (especially a computer).
3. n. (Computers) That part of a computer program which controls the way a program interacts with a user; the manner of inputting and outputting of data, and the way information is presented on a computer monitor; also called user interface.

WordNet 3.0

1. n. (computer science) computer circuit consisting of the hardware and associated circuitry that links one device with another (especially a computer and a hard disk drive or other peripherals)
2. n. (computer science) a program that controls a display for the user (usually on a computer monitor) and that allows the user to interact with the system
3. n. (chemistry) a surface forming a common boundary between two things (two objects or liquids or chemical phases)
4. n. the overlap where two theories or phenomena affect each other or have links with each other