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
a skillet made of cast iron
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 trap for birds or small mammals; often has a slip noose
strings stretched across the lower head of a snare drum; they make a rattling sound when the drum is hit
a surgical instrument consisting of wire hoop that can be drawn tight around the base of polyps or small tumors to sever them; used especially in body cavities