What is a "Contrapuntal" texture?

I'm a Music AS student, and when describing a piece of music I often have to refer to its texture. This is all well and good until someone asks "What is a contrapuntal texture?" To stop this question being asked I shall explain. Wikipedia hardly has the most concise way of explaining it, but in essence, a contrapuntal (or polyphonic texture) is where two independent lines of melody play at the same time. For example in a string quartet, if only Violin's 1 and 2 are playing, and both appear to be playing independently, (i.e.. neither appears to be accompanying the other) then they are performing with a contrapuntal texture.