n. Web. Websites that sell or exchange unrelated links to artificially raise search rank scores. Search engines seek out these sites, sometimes called link farms, and penalize web pages that link to them.

n. A website, often automated, containing a long list of links to unrelated web pages created solely for the purpose of increasing the number of inbound links for participating websites. Search engines seek out and penalize link farms and those who link to them. Sometimes called bad neighborhoods.

n. A set of step-by-step operations that accomplish a specific task. Search engines use sophisticated algorithms to determine a web page’s rank within search returns. [From Medieval Latin algorismus, a poor transliteration of Muhammad ibn-Musa al-Khwarizmi, the ninth-century Baghdad mathematician who introduced the concept to the West.]