rara avis
noun
[ ˌrɛːrə ˈeɪvɪs ]
• another term for rare bird.
Similar:
rarity,
rare person/thing,
rare bird,
wonder,
marvel,
nonpareil,
nonesuch,
one of a kind,
find,
anomaly,
curiosity,
oddity,
aberration,
freak,
outlier,
edge case,
one-off,
oner,
Origin:
Latin, with reference to Juvenal's Satires, vi.165.
