(v. n.P. a.P. a.) : horrĕo, ui, ēre, v. n. and
* A. [for horseo, kindred to Sanscr. hrish, to stand erect, to bristle], to stand on end, stand erect, to bristle.
* Lit. (for the most part only poet.; not in Ciceron. prose): in corpore pili, ut arista in spica hordei, horrent,Varr. L. L. 6, § 49 Müll.; cf.: et setae densis similes hastilibus horrent,Ov. M. 8, 285: saepe horrere sacros doluit Latona capillos,Tib. 2, 3, 23: horrentibus per totum corpus villis,Plin. 8, 40, 61, § 150: horrentes barbae,Petr. 99: horrentibus scopulis gradum inferre,Plin. Pan. 81, 1: horrentes rubi,Verg. G. 3, 315: horrentibus hastis,id. A. 10, 178: horrebant densis aspera crura pilis,Ov. F. 2, 348: rigidis setis,id. M. 13, 846: horret capillis ut marinus asperis Echinus aut currens aper,Hor. Epod. 5, 27: pervigil ecce draco squamis crepitantibus horrens Sibilat,Ov. H. 12, 101: densantur campis horrentia tela virorum, Enn. ap. Prisc. p. 866 P. (Ann. v. 288 Vahl.); cf.: hastis longis campus splendet et horret, id. ap. Macr. S. 6, 4 (Sat. v. 15 Vahl.); imitated Verg. A. 11, 602 Serv.; Liv. 44, 41, 6: mare cum horret fluctibus, is ruffled, rough, Att. ap. Non. 422, 33: duris cautibus horrens Caucasus,Verg. A. 4, 366: silvis horrentia saxa fragosis,Ov. M. 4, 778.
* Transf.
* To move in an unsteady, shaking manner.
* In gen., to shake, tremble (very rare): corpus ut impulsae segetes Aquilonibus horret,Ov. H. 10, 139; cf. horresco.
* To be of a rough or frightful appearance; to look rough, look frightful; to be terrible, dreadful, horrid (rare; mostly poet.): possetne uno tempore florere, deinde vicissim horrere terra,Cic. N. D. 2, 7, 19: quaedam loca frigoribus hiemis intolerabiliter horrent, Col. 1, 4, 9; German. Progn. 2, 158; cf.: nec fera tempestas toto tamen horret in anno. Ov. F. 1, 495: Phoebus,Stat. Th. 4, 1.
* To shake, shiver with cold, rigere (poet. and very rare): saepe etiam dominae, quamvis horrebis et ipse, Algentis manus est calfacienda sinu,Ov. A. A. 2, 213: horrenti tunicam non reddere servo,Juv. 1, 93: sola pruinosis horret facundia pannis,Petr. 83.
* Horrens, entis, P. a. (acc. to I.), bristly, shaggy, rough (poet. and very rare): horrens Arcadius sus,Lucr. 5, 25: horrentique atrum nemus imminet umbra,Verg. A. 1, 165: horrentes Marte Latinos,id. ib. 10, 237: horrensque feris altaribus Esus,Luc. 1, 445.
* Hor-rendus, a, um, P. a.
* To shudder with amazement, to be astonished, amazed (very rare): quae mehercule ego, Crasse, cum tractantur in causis, horrere soleo,Cic. de Or. 2, 45, 188: animo horrere,id. Dom. 55, 140: cogitatione,Curt. 9, 6, 12; cf. horrendus, 2.
* With an inf. or relat.-clause: ego vestris armis armatus non horrui in hunc locum progredi,Cic. Agr. 2, 37, 101: horreo dicere,Liv. 7, 40, 9: horret animus referre,id. 2, 37, 6; 28, 29, 4; Lact. 7, 15, 11; 6, 17, 7: dominatio tanto in odio est omnibus, ut quorsus eruptura sit, horreamus,Cic. Att. 2, 21, 1; 1, 27, 1: quemadmodum accepturi sitis, horreo,id. Phil. 7, 3, 8.
* With ne: eo plus horreo, ne illae magis res nos ceperint, quam nos illas,Liv. 34, 4, 3.
* Trop.: horrebant saevis omnia verba minis,Ov. R. Am. 664.—Hence
* (Acc. to II. A. 2. b.) Dreadful, terrible, fearful, terrific, horrible (mostly poet. and in post-Aug. prose): horrendum et dictu video mirabile monstrum,Verg. A. 3, 26: truces horrendaeque imagines,Plin. Pan. 52, 5: silva invia atque horrenda,Liv. 9, 36, 1: Roma,Hor. C. 3, 3, 45: rabies,id. S. 2, 3, 323: diluvies,id. C. 4, 14, 27: tempestas (with foeda),Vell. 2, 100, 2: nox,Ov. F. 6, 140: vox,Val. Fl. 1, 210; cf.: lex erat horrendi carminis,Liv. 1, 26, 6: juvenis Parthis horrendus,Hor. S. 2, 5, 62: pallor utrasque Fecerat horrendas aspectu,id. ib. 1, 8, 26: res horrenda relatu,Ov. M. 15, 298: horrendum dictu!Verg. A. 4, 454.—Neutr. adv.: belua Lernae Horrendum stridens,Verg. A. 6, 288: arma Horrendum sonuere,id. ib. 9, 732; 12, 700: intonet horrendum,Juv. 6, 485.—Plur.: horrenda circumsonantibus Alemannis,Amm. 27, 10, 10.
* In a good sense, wonderful, awful, venerable (poet.): horrenda virgo (Camilla),Verg. A. 11, 507: horrendae procul secreta Sibyllae,id. ib. 6, 10: tectum augustum, ingens ... Horrendum silvis et religione parentum,id. ib. 7, 172. —Adv.: horrendē, dreadfully, Vulg. Sap. 6, 5; 17, 3.

s. TLL