Barbarian asks:
Perhaps you don't know what "vestigial" means. What do you think it means?
(Refuses to answer)
Not what "I" think but what others think. I also pointed out the argument from junk DNA as well.
Yep. That's the problem. You don't know what it means. It means a feature that is no longer useful for it's original function. It does not mean "without function", although it can (like the wings of beetles fused under permanently closed elytra).
"living creatures, including man, are virtual museums of structures that have no useful function but which represent the remains of organs that once had some use” (Asimov, 1959, p. 30
There are such features, but not all vestigial organs are functionless.
There are others who claim that science has found a number of useless organs among many animals. They have no apparent function and must therefore be a vestige of a once useful part of the body. A long time back these vestigial organs must have been important; now they are just reminders of our common ancestry. One example is the vermiform appendix which not only is utterly useless in human beings but which often causes great distress (Perkel and Needleman, 1950, p. 129)
Such organs are vestigial, but as Darwin pointed out, they don't have to be functionless.
Again, an organ may become rudimentary for its proper purpose, and be used for a distinct object: in certain fish the swim-bladder seems to be rudimentary for its proper function of giving buoyancy, but has become converted into a nascent breathing organ or lung. Other similar instances could be given.
Charles Darwin, "The Origin of Species"[/b]
So, you see, right from the start it was like that.
http://www.talkorigins.org/indexcc/CB/CB360.html
However, the discovery of a function for a structure does not necessarily mean that it is not vestigial. A vestigial structure may be completely without function, like fetal platypus teeth, or it may be changed and diminished in function.
http://www.bookrags.com/research/vestigial-structures-wap/
Biology still uses the same definition as Darwin did.