Hello Mr. Kameswaran!
Internet today looms large all over the world, and nothing is probably possible in the present life without seeking resort to it. Just like a cobweb connects various corners of a wall and bridges them with, the internet also connects the manifold computing devices all over world. Hence, calling the internet an 'web' is not just a custom; it is, we may say, a metaphysical conceit. You must also recall that the phrase "www", which forms a part of most of the URLs, is actually an abbreviation of World Wide Web.
Just as real spiders crawl about the cobweb, there are certain search engines which are devoted to search, enlist and rank data according to their qualities. These search engines employ a tool, which is called web crawler or web spider, for scanning the data which is being posted almost every nanosecond from all over the world. Hence, the term "spider" is not an alien one to world of computing.
TamilSpider is one of the regional "spider sites" which actually belong to the SpiderWorks Technologies Pvt Ltd, a business unit by Mr. Tony John (The founder webmaster of some great sites like www.indiastudychannel.com, www.indiareviewchannel.com, www.mywindowsclub.com, www.dotnetspider.com and many more websites). This company legally owns all the spider sites (TamilSpider, AndhraSpider, ChennaiSpider, BengalSpider and a whole lot) and their names have all been derived from this company. This company is presently owned by Mr. Tony John and his wife Mrs. Manju Tony. So, this is the "serious" answer to your question.
We can think this in a regional level as well. TamilSpider is a complete portal of Tamilnadu which is ready to provide all inclusive information on this state. Willing to be "poetic", as you have mentioned, you can imagine TamilSpider as crawling the entire Tamilnadu for gathering information, and looming its cobweb large to gather traffic, like spiders spread their webs to attract insects. This is the "poetic" answer to your question.
Now the "wonderful" answer. Let us not bother about names.
Site Co-ordinator, SpiderWorks Technologies Pvt. Ltd.
Surprising CTR, CPC and eCPM in Punjabspider!