The Collaborative International Dictionary of English v.0.48:

Vega \Ve"ga\ (v[=e]"g[.a]), n. (Astron.) [Ar. w[=a]gi',
   properly, falling: cf. F. W['e]ga.]
   A brilliant star of the first magnitude, the brightest of
   those constituting the constellation Lyra.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Vega \Ve"ga\, n. [Sp.]
   An open tract of ground; a plain, esp. one which is moist and
   fertile, as those used for tobacco fields. [Sp. Amer. & Phil.
   Islands]
   [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

Vega
    n 1: prolific Spanish playwright (1562-1635) [syn: Vega, Lope
         de Vega, Lope Felix de Vega Carpio]
    2: the brightest star in the constellation Lyra