rara avis

ra·ra a·vis

R0046800 (râr′ə ā′vĭs)n. pl. ra·ra a·vis·es or ra·rae a·ves (râr′ē ā′vēz) A rare or unique person or thing.

[Latin rāra avis : rāra, feminine of rārus, rare + avis, bird.]

(ˈrɛərə ˈeɪvɪs) n, pl rarae aves (ˈrɛəriː ˈeɪviːz) an unusual, uncommon, or exceptional person or thing[Latin: rare bird]

(ˈrɛər ə ˈeɪ vɪs)

n., pl. ra•rae a•ves (ˈrɛər i ˈeɪ viz) a rare person or thing; rarity. [1600–10; < Latin: rare bird]

A Latin phrase meaning rare bird, used to mean an unusual thing or person.

Thesaurus

Noun

rara avis - a rare or unique personrare birdunusual person, anomaly - a person who is unusual

noun oddity, one-off (informal), curiosity, anomaly, rarity, rare thing I persuaded this rara avis to tell his story.