n. (Bot.) An American species of rockrose (Helianthemum Canadense), sometimes used in medicine as an astringent or aromatic tonic. [ 1913 Webster ]

☞ It has large yellow flowers which are often sterile, and later it has abundant but inconspicuous flowers which bear seed. It is so called because, late in autumn, crystals of ice shoot from the cracked bark at the root; -- called also frostwort. [ 1913 Webster ]

a. 1. Covered with hoarfrost or anything resembling hoarfrost; ornamented with frosting; also, frost-bitten; as, a frosted cake; frosted donuts. [ 1913 Webster ]

2. Provided with a surface finish which is matte or with a very fine grain, reminiscent of the surface texture of frost; as, frosted glass. Opposed to polished or burnished. [ 1913 Webster +PJC ]

Frosted work is introduced as a foil or contrast to burnished work. Knight. [ 1913 Webster ]