FROSTWEED
Frost"weed`, n. (Bot.)
Defn: An American species of rockrose (Helianthemum Canadense), sometimes used in medicine as an astringent or aromatic tonic.
Note: 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.
FROSTWORK
Frost`work", n.
Defn: The figurework, often fantastic and delicate, which moisture sometimes forms in freezing, as upon a window pane or a flagstone.
FROSTWORT
Frost`wort", n. (Bot.)
Defn: Same as Frostweed.
FROSTY
Frost"y, a. Etym: [Cf. AS. fyrstig.]
1. Attended with, or producing, frost; having power to congeal water; cold; freezing; as, a frosty night.
2. Covered with frost; as, the grass is frosty.