the act of freezing; -- applied chiefly to the congelation of water; congelation of fluids.-the state or temperature of the air which occasions congelation, or the freezing of water; severe cold or freezing weather.-frozen dew; -- called also hoarfrost or white frost.-coldness or insensibility; severity or rigidity of character.-to injure by frost; to freeze, as plants.-to cover with hoarfrost; to produce a surface resembling frost upon, as upon cake, metals, or glass.-to roughen or sharpen, as the nail heads or calks of horseshoes, so as to fit them for frosty weather.