Source : Webster's Revised Unabridged Dictionary (1913)

Ganza \Gan"za\, n. [Sp. gansa, ganso, goose; of Gothic origin.
   See {Gannet}, {Goose}.]
   A kind of wild goose, by a flock of which a virtuoso was
   fabled to be carried to the lunar world. [Also {gansa}.]
   --Johnson.