A white or greyish-white colour.
Hoariness; antiquity.
Hoarily bearded.
Of a white or greyish-white colour.
Originally, any frozen dew forming a white deposit on exposed surfaces.
Water vapour which has undergone deposition or desublimation (“transformation directly into ice crystals without first turning into liquid water”) when the air is cold and moist to form a white deposit on exposed surfaces.