rŏtundo, āvi, ātum, 1, v. a. [rotundus], to make round, to round off, round (syn. torno).
I Lit. (class.): cum similem universitatis naturae efficere vellet, ad volubilitatem rotundavit, Cic. Univ. 10: tignum ad circinum, Vitr. 10, 11, 1: vasculum in modum papillae, Ap. Met. 11, 10, 23; orbem solis (with curvare aequaliter), Vell. 2, 59, 6: se (flamma), Mel. 1, 18, 4.—Mid.: herbae in caulem rotundantur, Plin. 21, 17, 66, § 106.—
II Trop., of style, etc., to round off , elaborate , (very rare): elegos acutos ac rotundatos hendecasyllabos elucubrare, rounded , i. e. smooth , polished , Sid. Ep. 8, 4. —Of a sum of money, to make up , complete (cf. corrotundo): mille talenta rotundentur, Hor. Ep. 1, 6, 34.