Lewis Short
(verb) : ĭn-umbro, āvi, ātum, 1
* To cast a shadow upon, to shade (mostly poet. and in post-Aug. prose; syn. opaco).
* Lit.: terraque inumbratur,Lucr. 5, 289: toros obtentu frondis,Verg. A. 11, 66: forum velis,Plin. 19, 1, 6, § 24; Curt. 3, 4, 9; Quint. 12, 10, 60.
* Transf.
* Trop., to obscure: imperatoris adventu legatorum dignitas inumbratur,Plin. Pan. 19, 1: inumbrata quies,apparent,Dig. 41, 2, 18, § 1.
* To cover: ora coronis,Lucr. 3, 913: pubem pallio,App. M. 10, p. 254: ante genas quam flos juvenilis inumbret, Claud. Prob. et Olyb. 69.
* To mark the shadows upon, to mark out, lay out (anteclass.): solarium,Varr. L. L. 6, § 4 Müll.
Charlton T. Lewis, Charles Short, A Latin Dictionary