Lēx'i-cōn, n.

n. [Gr. λεξικόν (sc. βιβλίον), from λεξικός, of, or belonging to, words, fr. λέξις, a speaking, speech, a way of speaking, a single word or phrase, a rare or foreign word, or any word that must be explained by another or a common word, from λέγειν, to say, to speak.]

1Sense 1. A vocabulary, or book containing an alphabetical arrangement of the words in a language, with the definition of each; a dictionary.

2Sense 2. A dictionary of words in a foreign language; as, a Latin, Greek, or German lexicon.