• Frost Definition & Synonyms

  1. (v. t.) To cover with hoarfrost; to produce a surface resembling frost upon, as upon cake, metals, or glass.
  2. (v. i.) Coldness or insensibility; severity or rigidity of character.
  3. (v. i.) Frozen dew; -- called also hoarfrost or white frost.
  4. (v. t.) To roughen or sharpen, as the nail heads or calks of horseshoes, so as to fit them for frosty weather.
  5. (v. t.) To injure by frost; to freeze, as plants.
  6. (v. i.) The state or temperature of the air which occasions congelation, or the freezing of water; severe cold or freezing weather.
  7. (v. i.) The act of freezing; -- applied chiefly to the congelation of water; congelation of fluids.

Freeze, Hoar, Hoarfrost, Ice, Icing, Rime,

• Frost signal Definition & Synonyms

  1. () A signal consisting of a white flag with a black center, used by the United States Weather Bureau to indicate that a local frost is expected. It is used only in Florida and along the coasts of the Pacific and the Gulf Mexico.