Expando, dis, di, passum, dere. Colum, To spreade out: to display: to open as a floure doth.Aperire florem & expandere dicitur rosa. Plin. To open and spread the flower.Expandere aliquid dictis. Lucret. To declare and expounde with words at large.Expandunt alas aliquæ aues. Plin.
Lewis and Short: Latin dictionary
ex-pando, pandi, pansum or passum (the former, Plin. 2, 103, 106, 228; 9, 33, 52, 103; 31, 6, 37, 70; the latter, Caecil. ap. Gell. 15, 15, 2; but in Tac. H. 5, 13, very dub., the more prob. reading being exapertae, v. Orell. ad h. l.), 3, v. a., to spread out, spread apart, to expand (mostly post-Aug.; not in Cic.). I.Lit.: haec nuntiasse et flammeum expassum domi, Caecil. ap. Gell. 15, 15, 2: vestes supra fontem frigidum, Plin. 2, 103, 106, 228: vellera circa navim, id. 31, 6, 37, 70: alas (grues), id. 10, 38, 54, 111: ficus in sole, Col. 12, 15, 3: herbas sub umbra, id. 12, 13, 2 et saep.—Mid.: vagus ille, cum expanditur, amnis (Nilus), Plin. Pan. 30, 4.— II.Trop.: rerum naturam dictis,
