1. or vi·at·ic (vī-ăt′ĭk) Of or relating to traveling, a road, or a way.
2. Of or relating to a contractual arrangement in which a business buys life insurance policies from terminally ill patients for a percentage of the face value: a viatical settlement.

[From Latin viāticus, relating to a journey, from via, road; see via. Sense 2, from viaticum.]