Medusæ

Noun

plural

1. (obsolete)

   medusæ

   (irregular plural of medusa)
• 1910, Alfred Goldsborough Mayor, Medusae of the World, volume I, page 1:During the four years that elapsed while the manuscript lay unstudied at Harvard, new forms had been discovered along our coast; and Nutting and Hargitt had published their papers upon the hydroids and medusæ of the Woods Hole region.