Lucid \Lu"cid\, a. [L. lucidus, fr. lux, lucis, light. See Light, n.]

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. Clear; transparent. `` Lucid streams.'' --Milton.

3. Presenting a clear view; easily understood; clear.

A lucid and interesting abstract of the debate. --Macaulay.

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.

Syn: Luminous; bright; clear; transparent; sane; reasonable. See Luminous.

Source: Webster's Revised Unabridged Dictionary (1913)