1. A screw, a soldering lug, or other point to which connections can be made to allow the transmission or receptions of signals: Irving, the contractor, hired electricians to install the electric terminals in the new building.
2. The end of a line where signals are either transmitted or received, or a point along the length of a line where the signals are made available to an apparatus: Randy, the fired train conductor, attempted to disrupt the electric terminals at the railroad station so the trains could not run on time.