ActionScript-3 cannot have multiple constructors?

I have

    public function Shard() {
    }

    public function Shard(x:Number, y:Number, vx:Number, vy:Number, rotation:Number, spin:Number)
    {
      ...
    }

And I got on the second constructor:

Multiple constructor definitions found. Constructor may not be defined in code.

So, ActionScript-3 cannot have multiple constructors?