Wing load is simply the weight of the plane per square foot of wing.
In simple terms it's the weight of the plane divided by the amount of lift generated.
So if a plane has lots of lift and not a lot of weight it'll:
a) Turn faster at slower speeds
b) Stall at a slower speed
Mind you, all sorts of other factors come into play as well (wings ripping off at high gees, drag caused by big-ass wings, slower roll rate caused by big-ass wings, yadda yadda)
But wing loading is the simplest of ways of mathematically measuring "Generally speaking, how quickly will this plane turn?"
Does that answer your question?
~Lemur
[ 12-07-2001: Message edited by: lemur ]