tri·lin·e·ar 
(trī-lĭnē-ər)
(trī-lĭnē-ər)adj.
Relating to, having, or bounded by three lines.
- electability
- electable
- election
- Election Day
- electioneer
- electioneerer
- elective
- electively
- electiveness
- elector
- electoral
- Electoral College
- electorally
- electorate
- electr-
- electr-
- Electra
- Electra complex
- electret
- electric
- electrical engineer
- electrical engineering
- electrically
- electrical storm
- electric arc