AURORA n.
rly called northern lights. A luminous meteoric phenomenon, visible only at night, and supposed to be of electrical origin. This species of light usually appears in streams, ascending toward the zenith from a dusky line or bank, a few degrees above the northern horizon; when reaching south beyond the zenith, it forms w…
AVAIL v.
To be of use or advantage; to answer the purpose; to have strength, force, or efficacy sufficient to accomplish the object; as, the plea in bar must avail, that is, be sufficient to defeat the suit; this scheme will not avail; medicines will not avail to check the disease. "What signs avail " Milton. Words avail very l…