The Collaborative International Dictionary of English v.0.48:

Vernacle \Ver"na*cle\, n.
   See Veronica, 1. [Obs.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Veronica \Ve*ron"i*ca\, n. [LL.; -- so called from Veronica, a
   woman who, according to an old legend, as Christ was carrying
   the cross, wiped his face with a cloth, which received an
   impression of his countenance; Veronica is fr. MGr.
   Beroni`kh, fr. Macedonian Bereni`kh, for Gr. Fereni`kh,
   literally, carrying off victory, victorious.]
   1. A portrait or representation of the face of our Savior on
      the alleged handkerchief of Saint Veronica, preserved at
      Rome; hence, a representation of this portrait, or any
      similar representation of the face of the Savior. Formerly
      called also Vernacle, and Vernicle.
      [1913 Webster]

   2. (Bot.) A genus of scrophulariaceous plants; the speedwell.
      See Speedwell.
      [1913 Webster]

   Note: Several herbaceous species are common in both Europe
         and America, most of which have small blue flowers. A
         few shrubby species from New Zealand are sometimes
         found in cultivation.
         [1913 Webster]