Definition of "index" []

• Something that serves to guide, point out, or otherwise facilitate reference, especially: (noun)
• An alphabetized list of names, places, and subjects treated in a printed work, giving the page or pages on which each item is mentioned. (noun)
• A thumb index. (noun)
• A table, file, or catalog. (noun)
• Computer Science A list of keywords associated with a record or document, used especially as an aid in searching for information. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "When you encounter a term in your document that you would like to be indexed, use the \\index {term} term command You will need to run LTEXtwice in order for the index to appear."
• "You can check to see the new posts by looking at the title index below left."
• "By or selling an index fund and taking the opposite of that trade with specific stocks that are part of the index is an arbitrage strategy that requires lots of computer power, extremely fast executions, and a lot of capital."