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călĕ-făcĭo, or contr. calfăcĭo (as calidus = caldus, calidarius = caldarius, etc.), fēci, factum, 3, v. a. (in the time of Quint. the contracted form seems to have been the prevailing one, v. Quint. 1, 6, 21; also Charis. p. 220 P. gives as pass. calfio. In the poets usage varies according to the demands of the verse; e. g., cālfācìt, Ov. F. 4, 698; cālfăcienda, id. A. A. 2, 214; cālfācti, id. Ib. 48, and călĕfēcit, Lucr. 6, 687; călēfacta, Verg. A. 12, 66; 12, 269 al. In prose writers—e. g. Quint. 5, 10, 58—the best MSS. vary between the two forms.
Imperat. calface, Cic. Fam. 16, 18, 2.
Pass. regularly calefio; once by a solecism calefacientur, Vitr. 5, 10; cf. concalefaciuntur, id. 4, 7) [caleo-facio].
1. călĕfactus or calfactus, a, um, Part., v. calefacio.
2. călĕfactus (calfac-), ūs, m. [calefacio], a warming, heating (post-Aug. and rare): faucium tumorem calfactu obiter fovere, Plin. 29, 3, 11, § 48; Lact. Opif. Dei, 14, 5.