Source : Webster's Revised Unabridged Dictionary (1913)

Alight \A*light"\, v. i. [imp. & p. p. {Alighted}sometimes
   {Alit}; p. pr. & vb. n. {Alighting}.] [OE. alihten, fr. AS.
   [=a]l[=i]htan; pref. [=a]- (cf. Goth. us-, G. er-, orig.
   meaning out) + l[=i]htan, to alight, orig. to render light,
   to remove a burden from, fr. l[=i]ht, leoht, light. See
   {Light}, v. i.]
   1. To spring down, get down, or descend, as from on horseback
      or from a carriage; to dismount.

   2. To descend and settle, lodge, rest, or stop; as, a flying
      bird alights on a tree; snow alights on a roof.

   3. To come or chance (upon). [R.]