What is another word for guide word?
Pronunciation: [ɡˈa͡ɪd wˈɜːd] (IPA) 
Guide word, also known as a dictionary entry word or a headword, is the word in bold at the top of a page in a dictionary or a thesaurus that serves as a guide to the words listed on that page. Some synonyms for guide word are keyword, lead word, index term, and reference term. These words are used interchangeably to describe the word at the top of a page in a reference book that acts as a guide to the words on that page. Regardless of the term used, guide words are crucial in helping users find the information they need in reference materials.
