<p><strong>Noun</strong></p><ul><li>an act or instance of referring.</li><li>a mention; allusion.</li><li>something for which a name or designation stands; denotation.</li><li>a direction in a book or writing to some other book, passage, etc.</li><li>a book, passage, etc., to which one is directed.</li><li>material contained in a footnote or bibliography, or referred to by a reference mark.</li><li>use or recourse for purposes of information: a library for public reference.</li><li>a book or other source of useful facts or information, such as an encyclopedia, dictionary, etc.</li><li>a person to whom one refers for testimony as to one's character, abilities, etc.</li><li>a statement, usually written, as to a person's character, abilities, etc.</li><li>relation, regard, or respect: all persons, without reference to age.</li></ul><p><strong>Verb</strong></p><ul><li>to furnish (a book, dissertation, etc.) with references.</li><li>to arrange (notes, data, etc.) for easy reference.</li><li>to refer to: to reference a file.</li></ul>