Are you really Causasian?

I was in the middle of making a smart reply to a man who thought it pertinent to tell me first and foremost that he was Indian, not American.. though he lives in the USA.

To shorten things up, I was looking up how to spell Caucasian because no matter how I spelled it, it just didn't look right. So I went to Dictionary.com to figure it out. It was then I read the actual definition of Causasian and was a little surprised by what I found.

Causasian

1. Anthropology. of, pertaining to, or characteristic of one of the traditional racial divisions of humankind, marked by fair to dark skin, straight to tightly curled hair, and light to very dark eyes, and originally inhabiting Europe, parts of North Africa, western Asia, and India: no longer in technical use.

2.of or pertaining to the Caucasus mountain range.

Or from the American Heritage Dictionary
adj.
1. Anthropology.. Of or being a major human racial classification traditionally distinguished by physical characteristics such as very light to brown skin pigmentation and straight to wavy or curly hair, and including peoples indigenous to Europe, northern Africa, western Asia, and India. No longer in scientific use. See Usage Note at race1.
2. Of or relating to the Caucasus region or its peoples, languages, or cultures.
3. Of or relating to a group of three language families spoken in the region of the Caucasus mountains, including Chechen, Abkhaz, and the Kartvelian languages.

n.
1. Anthropology.. A member of the Caucasian racial classification. Not in scientific use.
2. A native or inhabitant of the Caucasus.
3. The Caucasian language family.

So while I'm right that I'm Caucasian (Czech, English, misc others), there are quite a few more Caucasians running around than many of us would consider to be Causasian by today's standards.

Here's a definition of what is Causasia and a map of the Caucasia region, Map of Caucasia.

From what I can tell, and the definition.. Then I'd assume that Arabs, Italians, etc. are also probably "Caucasian".. and I know many people do not believe that to be so.