Crossword clues for the word: TIELINE The word TIELINE has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for TIELINE Showing 1 to 9 of 9 results Clue(s) Connector of one electric power system with another: 2 wds. Phone channel Phone link Phone-system connection Private link Private phone channel between offices Private phone connection Private telephone channel Surveying aid