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Definition
(noun) 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 Definition
(noun) 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 Definition
(noun) a skillet made of cast iron