n. [Gr. lexiko`n (sc.
bibli`on), neut. of lexiko`s of or belonging to
words, fr. le`xis a speaking, speech, a way of speaking, a
single word or phrase, fr. le`gein to say, to speak. See
Legend.] A vocabulary, or book containing an alphabetical
arrangement of the words in a language or of a considerable number of
them, with the definition of each; a dictionary; especially, a
dictionary of the Greek, Hebrew, or Latin language.