D defs.my
Entry 4 senses Webster, 1913

Lucid

/lo͞os'-əd/ · Lu·cid · IPA /ˈl(j)uːsɪd/
01 a. Shining; bright; resplendent; as, the lucid orbs of heaven.
  1. 1.
    Shining; bright; resplendent; as, the lucid orbs of heaven.
    Lucid, like a glowworm.” Sir I. Newton.
    “A court compact of lucid marbles.” Tennyson.
  2. 2.
    Clear; transparent.
  3. 3.
    Presenting a clear view; easily understood; clear.
    “A lucid and interesting abstract of the debate.” Macaulay.
  4. 4.
    Bright with the radiance of intellect; not darkened or confused by delirium or madness; marked by the regular operations of reason; as, a lucid interval.