Lewis & Short

pallor, ōris, m. [palleo], pale color, paleness, wanness, pallor.

  1. I. Lit.: pudorem rubor, terrorem pallor et tremor consequitur, Cic. Tusc. 4, 8, 19: albus ora pallor inficit, Hor. Epod. 7, 15: luteus, id. ib. 10, 16; id. S. 2, 8, 35; 2, 18, 25: partemque coloris Luridus exsangues pallor convertit in herbas, Ov. M. 4, 267; cf.: gelidus pallor, id. Tr. 1, 4, 11: confuderat oris exsanguis notas pallor, Curt. 8, 3, 13: pallor ora occupat, Verg. A. 4, 499: femineus pallor in corpore, Plin. Pan. 48, 4: Aurorae, Stat. Th. 2, 334.
    Esp. of lovers: tinctus violā pallor amantium, Hor. C. 3, 10, 14; cf. Ov. M. 8, 790; Prop. 1, 5, 21.
    Of the Lower World: pallor hiemsque tenent late loca senta, Ov. M. 4, 436; Luc. 5, 628.
    Plur.: quae palloribus omnia pingunt, Lucr. 4, 336: tot hominum pallores, the paleness of death, Tac. Agr. 45, 3.
    1. B. Transf.
      1. 1. Mustiness, mouldiness: pallor, tineae omnia caedunt, Lucil. ap. Non. 462, 26: venti umidi pallore volumina (bibliothecarum) corrumpunt, Vitr. 6, 7: ne (dolia) pallorem capiant, Col. 12, 50, 16; 12, 41, 4.
      2. 2. A disagreeable color or shape, unsightliness: palloribus omnia pingunt, Lucr. 4, 311: pallorem ducere, Ov. M. 8, 759: obscurus solis, in an eclipse, Luc. 7, 200; Plin. 2, 30, 30, § 98.
  2. II. Trop., alarm, terror: palla pallorem incutit, Plaut. Men. 4, 2, 46: hic tibi pallori, Cynthia, versus erit, Prop. 2, 5, 30: quantus pro conjuge pallor, Stat. S. 5, 1, 70: notare aliquem pallore, Luc. 8, 55.
    Hence,
    1. B. Pallor, personified as the god of fear, Liv. 1, 27, 7; Lact. 1, 20, 11.