Lee said:

MD>>>> No, the usage changes. Dictionaries record these changes. That's
>>> simply the way it works, and it is rather silly to argue about it.

LB>> Particularly since it's clear we're not going to agree.<

MD> You probably do by now, you just hate to admit it.

LB>I still don't agree, or understand your position on this one.  I can
live
with that.<

OK then. Take a simple word such as 'lady'.  Everybody supposedly
understands what this word attempts to describe. Now let me know how that
common understanding depends on a definition as opposed to a rather radical
change in usage, that most English speakers are like completly unaware of.

M