To unite, embrace, communicate with, or flow into, one another; to be connected in one system; to lock into one another; to interlace firmly.
To unite by locking or linking together; to secure in place by mutual fastening.
To connect together so that the parts work together as a coordinated unit; to connect as a single system.
a surface forming a common boundary between two things, especially between two fluids.
hardware that links one device with another (especially a computer).
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; as, a graphical user interface; a character-based interface.