The Collaborative International Dictionary of English v.0.48:

Freya \Frey"a\ (fr[imac]"[.a]), prop. n. [Icel. Freyja.] (Scand.
   Myth.)
   The daughter of Nj["o]rd, and goddess of love and beauty; the
   Scandinavian Venus; -- in Teutonic myths confounded with
   Frigga, but in Scandinavian, distinct. [Written also Frea,
   Freyia, and Freyja.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

Freyja
    n 1: (Norse mythology) goddess of love and fecundity; daughter
         of Njorth and sister of Frey [syn: Freya, Freyja]