rara avis

[ rair-uh ey-vis; Latin rah-rah ah-wis ]
/ ˈrɛər ə ˈeɪ vɪs; Latin ˈrɑ rɑ ˈɑ wɪs /

noun, plural ra·rae a·ves [rair-ee ey-veez; Latin rah-rahy ah-wes] /ˈrɛər i ˈeɪ viz; Latin ˈrɑ raɪ ˈɑ wɛs/.

a rare person or thing; rarity.

Origin of rara avis

First recorded in 1600–10, rara avis is from the Latin word rāra avis rare bird
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for rara avis

rara avis

/ (ˈrɛərə ˈeɪvɪs) /

noun plural rarae aves (ˈrɛəriː ˈeɪviːz)

an unusual, uncommon, or exceptional person or thing

Word Origin for rara avis

Latin: rare bird
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012