tie line
noun Telecommunications.
a line that connects two or more extensions in a PBX telephone system.
a private telephone channel, leased from a telephone company, that connects two or more PBX systems.
Words nearby tie line
tie clasp,
tie down,
tie in,
tie into,
tie into knots,
tie line,
tie one on,
tie one's hands,
tie plate,
tie plug,
tie rod
Example sentences from the Web for tie line
Thus, the points a′b′ represent conjugate solutions, and the line a′b′ is a tie-line.
The Phase Rule and Its Applications |Alexander Findlay
British Dictionary definitions for tie line
tie line
noun
a telephone line between two private branch exchanges or private exchanges that may or may not pass through a main exchange