rara avis: Meaning and Definition of

ra•ra a•vis

Pronunciation: (râr'u ā'vis Lat. rä'rä ä'wis), [key]
— pl. ra•rae a•ves
  1. a rare person or thing; rarity.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.