tŏno, ŭi, 1 (collat. form of third conj.: tonimus, Varr. ap. Non. 49, 21), v. n. and a. [root in Sanscr. tan-, to stretch, extend; Gr. τείνω; whence teneo, tendo, tenus; cf. O. H. Germ. donar; Engl. thunder], to thunder.
I Lit.: ingens Porta tonat caeli, Enn. ap. Vet. Gram. ap. Col. (Ann. v. 597 Vahl.); imitated by Verg. G. 3, 261: cum tonuit laevum bene tempestate serenā, Enn. ap. Cic. Div. 2, 39, 82 (Ann. v. 517 Vahl.): ut valide tonuit! Plaut. Am. 5, 1, 10; so id. ib. 5, 1, 78: si fulserit, si tonuerit, Cic. Div. 2, 72, 149: Jove tonante, id. ib. 2, 18, 43; id. Phil. 5, 3, 7: tonans Juppiter, Hor. C. 3, 5, 1; id. Epod. 2, 29; Inscr. Orell. 2, p. 23: sub axe tonanti Sternitur aequor, Verg. A. 5, 820: pater nudā de rupe tonabat, Prop. 4 (5), 1, 7: nec si consulto fulmina missa tonent, id. 2, 34 (3, 32), 54: Diespiter per purum tonantes Egit equos, Hor. C. 1, 34, 7: Juppiter, tona, Sen. Med. 5, 31.—
II Transf., in gen.
A Neutr. , to make a loud , thundering noise , to roar , rattle , crash , etc. (cf.: crepo, strepo): tympana tenta tonant, Lucr. 2, 618: Aetna horrificis ruinis, Verg. A. 3, 571: caelum omne fragore, id. ib. 9, 541; cf. id. ib. 12, 757: domus afflicta massa, Val. Fl. 4, 612: nemus fragore vasto, Sen. Troad. 173; Mart. 9, 69, 4.—Of loud, thundering speech: Pericles fulgere, tonare, dictus est, Cic. Or. 9, 29; Plin. Ep. 1, 20, 19; Col. praef. § 30: qualis Pindarico spiritus ore tonat, Prop. 3, 17 (4, 16), 40; Verg. A. 11, 383.—
B Act. , to thunder forth , to say or name with a thundering voice : tercentum tonat ore deos, invokes with thundering voice , Verg. A. 4, 510: verba foro, Prop. 4 (5), 1, 134: aspera bella, Mart. 8, 3, 14: talia celso ore, Claud. Rapt. Pros. 1, 83: Cicerona, id. Ep. 3, 4.—Hence, P. a., as epithet of Jupiter: Tŏnans , antis, m., the thunderer , god of thunder , Ov. M. 1, 170; 2, 466; 11, 198; id. H. 9, 7; id. F. 6, 33; cf.: Capitolinus Tonans, id. ib. 2, 69: sceptriferi Tonantes, Jupiter and Juno, Sen. Med. 59.—Also of Saturn: falcifer Tonans, Mart. 5, 16, 5.