How to sign: predatory arachnid that usually has silk-spinning organs at the back end of the body; they spin silk to make cocoons for eggs or traps for prey
Categories: arachnid, arachnoid
Within this category: barn spider, black and gold garden spider, black widow, comb-footed spider, garden spider, tarantula, trap-door spider, wolf spider
How to sign: 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
Similiar / Same: wanderer
Categories: computer program, computer programme, program, programme