Book of words (7)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">book of words</span>' is the definition.<br/ ><span class="explanation-format__explanation">(lexicon can mean a dictionary)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for lexicon that I've seen before include "Dictionary, especially of ancient languages" , "reference work?" , "it has a lot of words" , "Dictionary as of Greek or Hebrew" , "Word reference book" .)
(Other definitions for dictionary that I've seen before include "Ordered book" , "Lexicon" , "Where to find the meaning of life, for example!" , "glossary" , "reference work" .)