frost-weed
- n perennial of the eastern United States having early solitary yellow flowers followed by late petalless flowers; so-called because ice crystals form on it during first frosts
- n tall perennial herb having clusters of white flowers; the eastern United States
frost fish
- n long-bodied marine fishes having a long whiplike scaleless body and sharp teeth; closely related to snake mackerel
frost heave
- n upthrust of ground or pavement caused by the freezing of moist soil
frost heaving
- n upthrust of ground or pavement caused by the freezing of moist soil