Frost /(frŏst; 115)/

1. The act of freezing; -- applied chiefly to the congelation of water; congelation of fluids.
2. The state or temperature of the air which occasions congelation, or the freezing of water; severe cold or freezing weather.

   The third bay comes a frost, a killing frost.

3. Frozen dew; -- called also hoarfrost or white frost.

   He scattereth the hoarfrost like ashes.

4. Coldness or insensibility; severity or rigidity of character. [R.]

   It was of those moments of intense feeling when the frost of the Scottish people melts like a snow wreath.

   The brig and the ice round her are covered by a strange black obscurity: it is the frost smoke of arctic winters.

imp. & p. p. Frosted; p. pr. & vb. n. Frosting

1. To injure by frost; to freeze, as plants.
2. To cover with hoarfrost; to produce a surface resembling frost upon, as upon cake, metals, or glass; as, glass may be frosted by exposure to hydrofluoric acid.

   While with a hoary light she frosts the ground.

3. To roughen or sharpen, as the nail heads or calks of horseshoes, so as to fit them for frosty weather.