prŭīna (noun F) : for provina; root pra-, prae; cf. Gr. πρωΐ, early
* Hoar-frost, rime (cf.: glacies, gelu),Cic. N. D. 2, 10, 26; Sen. Q. N. 4, 3 fin.; Plin. 2, 60, 61, § 152; Varr. R. R. 2, 2; Lucr. 2, 431 et saep.—In plur.: pruinae ac nives,Cic. Cat. 2, 10, 23; Hor. C. 1, 4, 4: matutinae,Ov. M. 3, 488; Val. Fl. 2, 287 al.
* Transf.
* Snow (poet. and in post-class. prose): nix concreta pruinā,Lucr. 3, 20: gelidae,Verg. G. 2, 263; 3, 368; Val. Fl. 8, 210; Gell. 12, 5, 11.
* Ad medias sementem extende pruinas, winter, Verg. G. 1, 230.

s. TLL