frīgus, ŏris, n. Gr. ῥῖγος, cold, ῥιγέω; the connection with Lat. rĭgeo, rĭgor, is doubtful, Georg Curtius Gr. Etym. 353; Corss. Ausspr. 1, 451, cold, coldness, coolness (for syn. cf.: algor, gelu, rigor, glacies, pruina). Lit. In gen. (class.): nec calor (mihi obsistet) nec frigus metuo, Plaut. Merc. 5, 2, 19; so opp. calor, Lucr. 2, 517; 6, 371; Cic. Univ. 14 med.; id. Rosc. Am. 45, 131; Verg. G. 2, 344; 4, 35: calidis torrescere flammis aut ... rigere Frigore, Lucr. 3, 892: cum esset vinctus nudus in aëre, in imbri, in frigore, Cic. Verr. 2, 4, 40, § 87: vix in ipsis tectis frigus vitatur, id. Fam. 16, 8, 2: fere matutinis temporibus frigus est, coolness, Cels. 2, 1; cf.: frigus captabis opacum, Verg. E. 1, 53; Hor. C. 3, 13, 10; Ov. M. 10, 129: quae frigore sola Dormiat, in the cold night, Tib. 1, 8, 39: cum Appius senatum coegisset, tantum fuit frigus ut coactus sit nos dimittere, Cic. Q. Fr. 2, 12, 1.—In plur.: nec frigora quimus usurpare oculis, Lucr. 1, 300: ut tectis saepti frigora caloresque pellamus, the cold, Cic. N. D. 2, 60, 151; cf.: ex verna intemperie variante calores frigoraque, Liv. 22, 2, 10: tecta quibus frigorum vis pellitur, Cic. Off. 2, 4, 13: propter frigora ... frumenta in agris matura non erant, Caes. B. G. 1, 16, 2: Alpinae nives et frigora Rheni, Verg. E. 10, 47: Scythiae, Ov. M. 2, 224: Peligna, Hor. C. 3, 19, 8: matutina, id. S. 2, 6, 45: nocturna, Liv. 40, 22, 7: intolerabilia, id. 21, 58, 1: ficum frigoribus ne serito, in cold weather, Col. 5, 10, 9: quisquam picta colit Spartani frigora saxi, i. e. the variegated cold marble floor, Mart. 1, 56, 5; Tac. Agr. 12; id. G. 16; Suet. Aug. 81.— In partic. (poet.). The cold of winter, winter (like calor for summer; v. calor): lac mihi non aestate novum, non frigore defit, Verg. E. 2, 22: ante focum, si frigus erit, id. ib. 5, 70: quae frigore sola dormiat, Tib. 1, 8, 39: per medium frigus, Hor. Ep. 1, 15, 5.—Plur.: frigoribus parto agricolae plerumque fruuntur, Verg. G. 1, 300: frigoribus mediis, id. E. 10, 65.— A chill, fever: tentatum frigore corpus, Hor. S. 1, 2, 80.— The coldness of death, death: et gelidos artus in leti frigore linquit, Lucr. 3, 401: aeternum leti, id. 4, 924: letale, Ov. M. 2, 611: supremum animae, Stat. S. 3, 3, 20: ast illi solvuntur frigore membra Vitaque cum gemitu fugit, Verg. A. 12, 951 (diff. from the foll.).— A cold shudder produced by fear: extemplo Aeneae solvuntur frigore membra, Ingemit, etc., Verg. A. 1, 92.— Transf., a cold region or place: frigus non habitabile, Ov. Tr. 3, 4, 51: et quodcumque jacet sub urbe frigus, Mart. 4, 64, 14.— Trop. (cf. frigeo and frigidus, II.; not in Cic.). Coldness in action, inactivity: si Parthi vos nihil calfaciunt, nos hic frigore frigescimus, etc., Cael. ap. Cic. Fam. 8, 6, 5; Ov. F. 2, 856.— A cold or frigid reception of a person or thing, esp. a discourse; coolness, coldness, indifference, disfavor (perh. not ante-Aug.): majorum ne quis amicus Frigore te feriat, coolness, loss of favor, Hor. S. 2, 1, 62; cf.: Montanus Julius et amicitia Tiberii notus et frigore, Sen. Ep. 122: et imperitia et rusticitas et rigor et deformitas afferunt interim frigus, Quint. 6, 1, 37; Plin. Ep. 6, 15, 4; Quint. 5, 7, 31: illud quaestionum et argumentorum apud corrupta judicia frigus evitant, id. 2, 12, 6.