Definitions
1.nounA graphical representation of a chronological sequence of events (past or future); a chronology.
2.nounA schedule of activities; a timetable.
3.nounAn individual universe or reality, especially a parallel/alternate one in which events differ from actual history, or differ from the established canon of a fictional world.
4.verbTo analyse a sequence of events or activities.
5.verbTo display such a sequence graphically.
6.nounA metaphorical conception of time as a stream, or flowing body of water."By killing his great-grandfather, the time traveller disrupted the timestream."