LU'CID, adjective [Latin lucidus, from luceo, to shine. See Light.] 1. Shining; bright; resplendent; as the lucid orbs of heaven. 2. Clear; transparent; pellucid; as a lucid stream. 3. Bright with the radiance of intellect; not darkened or confused by delirium or madness; marked by the regular operations of reason; as the lucid intervals of a deranged man. 4. Clear; distinct; presenting a clear view; easily understood; as a lucid order or arrangement.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI