Lewis Short
(verb) : clāro, āvi, 1, clarus
* To make bright or clear, to illuminate (poet. and very rare).
* Lit.: Juppiter excelsā clarabat sceptra columnā, showed, exhibited, Cic. poët. Div 1, 12, 21: aestatis primordia,id. Arat. 39: iter longae limite flammae,Stat. Th. 5, 286.
* Trop.
* Mentally, to make clear, evident, to explain, illustrate, set forth: animae naturam versibus,Lucr. 3, 36: multa,id. 4, 778: obscura,App. de Deo Socr. p. 51, 15.
* Morally, to make illustrious, to render famous: illum non labor Isthmius Clarabit pugilem, * Hor C. 4, 3, 4.
Charlton T. Lewis, Charles Short, A Latin Dictionary