I.stiffness, inflexibility, rigidity, numbness, hardness, firmness, rigor (not freq. till after the Aug. per.; not in Cic.; cf. durities).
I. Lit.: “tandem bruma nives affert pigrumque rigorem,” Lucr. 5, 746: “cervicis,” stiffness, rigidity, Plin. 28, 12, 52, § 192; 32, 8, 28, § 89; cf.: “immobilis faciei,” Quint. 9, 3, 101: “vultus (in portraits),” Plin. 35, 9, 35, § 58: “nervorum,” i. e. a cramp, spasm, Cels. 2, 1 and 7; so too simply rigor; and in plur., Plin. 26, 12, 81, § 130; 35, 6, 27, § 46.—
B. Esp.
1. A straight course or direction: “fluminis,” Dig. 43, 12, 1, § 5; cf. “stillicidii,” ib. 8, 2, 41; hence, in the agrimensores, a straight line or course (opp. flexus), Front. Expos. Form. p. 38 Goes.; Aggen. Limit. p. 46 fin.; Sicul. Fl. p. 5; Front. Colon. p. 120 al.—
2. Hardness, firmness: “auri,” Lucr. 1, 492: “ferri,” Verg. G. 1, 143: “saxorum,” Ov. M. 1, 401 (with durities): “lapidis,” Plin. 36, 16, 25, § 126: “arborum,” Vitr. 2, 9; Plin. 16, 40, 77, § 209; Col. 4, 16, 4 al.—
II. Transf., the stiffness produced by cold, for cold itself, chilliness, Lucr. 5, 640; 6, 368 (opp. calor); 307 (opp. ignis); cf. “Alpinus,” Ov. M. 14, 794: “septentrionis,” Tac. A. 2, 23: “caeli et soli,” Plin. 17, 24, 37, § 217: “recentissimus aquae,” Col. 9, 14, 7: “torpentibus rigore nervis,” Liv. 21, 58 fin. et saep.—
III. Trop., hardness, inflexibility, stiffness, roughness, severity, rigor (cf.: “severitas, asperitas, morositas): accentus rigore quodam minus suaves habemus,” Quint. 12, 10, 33 (cf. rigidus, II. init.): “te tuus iste rigor, positique sine arte capilli ... decet,” rudeness, Ov. H. 4, 77: “nocuit antiquus rigor et nimia severitas,” Tac. H. 1, 18 fin.: “animi,” id. A. 6, 50; cf. Plin. 7, 19, 18, § 79; Sen. Ira, 1, 16, 13 (opp. constantia): “disciplinae veteris,” Tac. H. 1, 83: “juris,” Dig. 49, 1, 19.