Source : Webster's Revised Unabridged Dictionary (1913)

Luculent \Lu"cu*lent\, a. [L. luculentus, from lux, lucis,
   light.]
   1. Lucid; clear; transparent. --Thomson.

   2. Clear; evident; luminous. `` Most luculent testimonies.''
      --Hooker.

   3. Bright; shining in beauty. [Obs.]

            Most debonair and luculent lady.      --B. Jonson.

Source : WordNet®

luculent
     adj : (of language) transparently clear; easily understandable;
           "writes in a limpid style"; "lucid directions"; "a
           luculent oration"- Robert Burton; "pellucid prose"; "a
           crystal clear explanation"; "a perspicuous argument"
           [syn: {limpid}, {lucid}, {pellucid}, {crystal clear}, {perspicuous}]