Lewis Short
crēbrĭtas (noun F) : creber
* Thickness, closeness, frequency: spissae venarum,Vitr. 2, 10, 2: caeli,id. 9, 8, 3: fluctuum, Sall. H. Fragm. ap. Serv. ad Verg. A. 1, 116 (3, 42 Dietsch): litterarum,Cic. Att. 13, 18 init.: crebritas et magnitudo officiorum,id. Fam. 3, 1, 1: sententiarum (with concinnitas),id. Brut. 95, 327.
Charlton T. Lewis, Charles Short, A Latin Dictionary