A lexicon is a list of words in the Bible with their range of meaning and uses in the original language.
A Hebrew and English Lexicon of the Old Testament : with an appendix containing the Biblical Aramaic
by
Brown, Francis Edward Robinson; S. R Driver; Charles A Briggs; Wilhelm Gesenius
The Encyclopedia of Hebrew Language and Linguistics Online offers a systematic treatment of all aspects of the history and study of the Hebrew language from its earliest attested form to the present day.