"spider" in the noun sense
predatory arachnid with eight legs, two poison fangs, two feelers, and usually two silk-spinning organs at the back end of the body they spin silk to make cocoons for eggs or traps for prey
2. spider, wanderer
a computer program that prowls the internet looking for publicly accessible resources that can be added to a database the database can then be searched with a search engine
a skillet made of cast iron
Source: WordNet® (An amazing lexical database of English)
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