In relation to or in comparison with.
"It is interesting reading your reactions. Your five predecessors were by design based on a similar predication, a contingent affirmation that was meant to create a profound attachment to the rest of your species, facilitating the function of the one. While the others experienced this in a very general way, your experience is far more specific. Vis-a-vis, love."
by RENEGATUS DOT COM October 18, 2003
About or with regard to.
I'm not sure what I can do vis a vis the car.
by Aaron Ruby September 16, 2007