Claro, claras, clarâre, Clarum ostendere. To make notable or knowne: to declare or shewe.Iter longæ clarauit limite flammæ.Stat.Shewed the way with, &c.Labor clarat pugilem. Horat. Maketh him knowne.Mulca nobis clarandum est. Lucret. We must declare many things.
Lewis and Short: Latin dictionary
clāro, āvi, 1, v. a. [clarus], to make bright or clear, to illuminate (poet. and very rare). I.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.—II.Trop.A. 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.—B. Morally, to make illustrious, to render famous: illum non labor Isthmius Clarabit pugilem, Hor C. 4, 3, 4.