n. & v.
n. 1 esp. Physics a surface forming a common boundary between two regions. 2 a point where interaction occurs between two systems, processes, subjects, etc. (the interface between psychology and education). 3 esp. Computing an apparatus for connecting two pieces of equipment so that they can be operated jointly.
v.tr. & intr. (often foll. by with) connect with (another piece of equipment etc.) by an interface.